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Action of a massive abelian gauge field
equation called the Proca equation. The Proca action and equation are named after Romanian physicist Alexandru Proca. The Proca equation is involved
Proca_action
Surname list
Alexandru Proca Eugeniu Gh. Proca [ro], Romanian physician Nicolae Proca, Romanian footballer Zeno Proca (1906–1936), Romanian chess player Procas, a king
Proca
Romanian physicist (1897–1955)
Alexandru Proca (16 October 1897 – 13 December 1955) was a Romanian physicist who studied and worked in France. He developed the vector meson theory of
Alexandru_Proca
Moldovan politician (1949–2026)
Nicolae Proca (16 December 1949 – 31 March 2026) was a Moldovan politician. Proca was born in Hădărăuți on 16 December 1949. He was one of the 278 signatories
Nicolae_Proca
Mythical Latin kings of Alba Longa
Procas Sylvius or Proca (said to have reigned 817–794 BC) was one of the Latin kings of Alba Longa in the mythic tradition of the founding of Rome. He
Procas
Field of physics that studies atomic interactions
G. A. Proca, Alexandre Proca.Oeuvre Scientifique Publiée, S.I.A.G., Rome, 1988. Vuille, C.; Ipser, J.; Gallagher, J. (2002). "Einstein–Proca model, micro
Nuclear_physics
Romanian chess player
Zeno Proca (1906 – 15 February 1936) was a Romanian chess player, two-times Romanian Chess Championship medalist (1926, 1927), unofficial Chess Olympiad
Zeno_Proca
Grandfather of the founders of Rome in Roman Mythology
He was the son of Procas, descendant of Aeneas the Trojan, and father of the twins' mother, Rhea Silvia, and Lausus.a In 794 BC Procas died and was meant
Numitor
said to have reigned thirty-seven years, and to have been succeeded by Procas, the father of Amulius. Servius, in analysing Virgil's Aeneid, Book vii
Aventinus_of_Alba_Longa
politician, first deputy prime minister (1992–1994). 31 March – Nicolae Proca, 77, politician, deputy (1990–1994). 4 May – Ion Toderaș, 77, ecologist
2026_in_Moldova
Hypothetical types of stars
Boson stars composed of elementary particles with spin-1 have been labelled Proca stars. In loop quantum gravity, a Planck star is a hypothetically possible
Exotic_star
Mythical king of Alba Longa who ordered the death of Romulus and Remus
grew to adulthood. He is the brother and usurper of Numitor and son of Procas. He was said to have reigned 41 years before his death (793–752 BC). His
Amulius
Black holes are characterized only by mass, charge, and spin
optionally other fields such as scalar fields and massive vector fields (Proca fields, etc.).[citation needed] It has since been extended to include the
No-hair_theorem
Series of legendary kings of Latium
on the hill that bears his name. He was followed by Proca, who reigned for twenty-three years. Proca had two sons, Numitor and Amulius; his will was that
Kings_of_Alba_Longa
Silvius Alba (Silvius) Atys Capys Capetus Tiberinus Agrippa Romulus Silvius Aventinus Proca Numitor Amulius Rhea Silvia Mars Hersilia Romulus Remus Prima
Atys_(King_of_Alba_Longa)
Type of wave
modern physics, Alexandru Proca (1897–1955) was known for developing relativistic quantum field equations bearing his name (Proca's equations) which apply
Longitudinal_wave
Physical field theory with no forces/interactions
) Ψ = 0 {\displaystyle (i\gamma _{\mu }\partial ^{\mu }-m)\Psi =0} The Proca equations are a set of equations of motion that describe the free of motion
Free_field
Silvius Alba (Silvius) Atys Capys Capetus Tiberinus Agrippa Romulus Silvius Aventinus Proca Numitor Amulius Rhea Silvia Mars Hersilia Romulus Remus Prima
Alba_Silvius
Special case of the abelian Higgs mechanism
nonlinear σ-model. Gauge-fixing ϕ = 0 {\displaystyle \phi =0} , yields the Proca action. This explains why, unlike the case for non-abelian vector fields
Stueckelberg_action
Genus of beetles
the genus Procas: Procas alepensis Pic, 1915 c Procas alternans Klima, 1934 c Procas antoinei Klima, 1934 c Procas antoniei Klima, 1934 c Procas biguttatus
Procas_(beetle)
Species of beetle
Procas granulicollis (sometimes known as the climbing corydalis weevil) is a beetle in the family Curculionidae, the true weevils. It was first described
Procas_granulicollis
Species of insect
Cabirus procas is a species of butterfly of the genus Cabirus. Male specimens of C. procas is yellow and black, while female specimens look completely
Cabirus_procas
is more edifying in its current form. Another example we will use is the Proca action. The fields are A μ = ( A → , ϕ ) {\displaystyle A^{\mu }=({\vec
First-class_constraint
Formulation of the quantum many-body problem
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Second_quantization
Species of beetle
Procas lecontei is a species of marsh weevil in the beetle family Brachyceridae. It is found in North America. "Procas lecontei Report". Integrated Taxonomic
Procas_lecontei
Moldovan politician and oligarch (born 1966)
Gorbuntsov." The latter rejects the information issued by the murderer Vitalie Proca and claims that Renato Usatîi is the one who wants his death, and Plahotniuc
Vladimir_Plahotniuc
Silvius Alba (Silvius) Atys Capys Capetus Tiberinus Agrippa Romulus Silvius Aventinus Proca Numitor Amulius Rhea Silvia Mars Hersilia Romulus Remus Prima
Romulus_Silvius
Folkloric bird of antiquity
(anthropophagism). In Ovid's Fasti (8 AD), the striges targeted legendary king Procas in his cradle. The assault was detected and interrupted but left the infant
Strix_(mythology)
Type of topological defects in the Yang–Mills vacuum
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Center_vortex
Theoretical framework in physics
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Quantum_field_theory
Speed of electromagnetic waves in vacuum
obtained depends on the model used: if the massive photon is described by Proca theory, the experimental upper bound for its mass is about ×10−57 grams;
Speed_of_light
1932 book by John von Neumann
German in 1932 by Springer. It was translated into French by Alexandru Proca in 1946, and into Spanish in 1949. An English translation by Robert T. Beyer
Mathematical Foundations of Quantum Mechanics
Mathematical_Foundations_of_Quantum_Mechanics
Ancient Roman mythological figure
Silvius Alba (Silvius) Atys Capys Capetus Tiberinus Agrippa Romulus Silvius Aventinus Proca Numitor Amulius Rhea Silvia Mars Hersilia Romulus Remus Prima
Aeneas_Silvius
Ancient Roman goddess of the hinge
Ovid's Fasti (London, 1848, 2nd edition), p. 210. McDonough (1997), "Carna, Proca, and the Strix on the Kalends of June", Transactions of the American Philological
Cardea
Quantum chromodynamics on a lattice
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Lattice_QCD
Quantum field theory
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Yang–Mills_theory
Evolutionary equation under renormalization group flow
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Callan–Symanzik_equation
Emissions from unstable atomic nuclei
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Radioactive_decay
French physicist (1892–1987)
students Nicolás Cabrera Olivier Costa de Beauregard Bernard d'Espagnat Cécile DeWitt-Morette Alexandru Proca Marie-Antoinette Tonnelat Satosi Watanabe
Louis_de_Broglie
Type of radioactive decay
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Alpha_decay
Tenth century Latin king of Alba Longa
Silvius Alba (Silvius) Atys Capys Capetus Tiberinus Agrippa Romulus Silvius Aventinus Proca Numitor Amulius Rhea Silvia Mars Hersilia Romulus Remus Prima
Capetus_Silvius
Hungarian-American physicist and inventor (1898–1964)
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Leo_Szilard
Connection between correlation functions and the S-matrix
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
LSZ_reduction_formula
Type of operator expectation value
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Vacuum_expectation_value
Axiomatization of quantum field theory
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Wightman_axioms
1103/PhysRevD.81.123530. Heisenberg, Lavinia (2014). "Generalization of the Proca Action". Journal of Cosmology and Astroparticle Physics (5): 015. arXiv:1402
List of hypothetical particles
List_of_hypothetical_particles
Romanian Orthodox saint (1903–1993)
the position until May 1945. Under the previous editor in chief, George Proca, Telegraful român had published ambivalent articles about the Jewish minority
Dumitru_Stăniloae
Process in quantum mechanical theories
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Canonical_quantization
Force that acts between the protons and neutrons of atoms
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Nuclear_force
Atoms of different elements with the same number of nucleons
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Isobar_(nuclide)
(1991–1992). Petr Pleva, 66, Czech politician, MP (1996–2010). Nicolae Proca, 77, Moldovan politician, deputy (1990–1994). Zsuzsa Radnóti, 88, Hungarian
Deaths_in_March_2026
Greek mythological figure
Silvius Alba Atys Capys Capetus Tiberinus Silvius Agrippa Romulus Silvius Aventinus Procas Numitor Amulius Ares/Mars Rhea Silvia/Ilia Hersilia Romulus Remus
King_Teucer
Statement relating differentiable symmetries to conserved quantities
Flores (2006). "Symmetric energy–momentum tensor in Maxwell, Yang–Mills, and Proca theories obtained using only Noether's theorem" (PDF). Revista Mexicana
Noether's_theorem
Roman god
newborn children by the aggression of the striges (in the myth the young Proca). M. Renard sees the association of Janus with Crane as reminiscent of widespread
Janus
Greek mythological Trojan king
Silvius Alba Atys Capys Capetus Tiberinus Silvius Agrippa Romulus Silvius Aventinus Procas Numitor Amulius Ares/Mars Rhea Silvia/Ilia Hersilia Romulus Remus
Laomedon
Concept in physics
antisymmetric tensor field is found to satisfy the equations of a Maxwell–Proca massive antisymmetric tensor field. This led Moffat to propose metric-skew-tensor-gravity
Nonsymmetric gravitational theory
Nonsymmetric_gravitational_theory
Force resulting from the quantisation of a field
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Casimir_effect
Latin poem by Ovid (8 AD)
of Carna, the goddess of hinges, and Janus, as well as the story of how Proca was defended from murderous owls by Cranae (101–195). The next large narrative
Fasti_(poem)
Quantum state with the lowest possible energy
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Quantum_vacuum_state
Mortal lover of the goddess Aphrodite
Silvius Alba Atys Capys Capetus Tiberinus Silvius Agrippa Romulus Silvius Aventinus Procas Numitor Amulius Ares/Mars Rhea Silvia/Ilia Hersilia Romulus Remus
Anchises
Process where an excited nucleus ejects an orbital electron from its atom
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Internal_conversion
Figure from Greek mythology
Silvius Alba Atys Capys Capetus Tiberinus Silvius Agrippa Romulus Silvius Aventinus Procas Numitor Amulius Ares/Mars Rhea Silvia/Ilia Hersilia Romulus Remus
Ganymede_(mythology)
School in Bucharest, Romania
Liiceanu Dinu Lipatti Marius Nasta Camil Petrescu Florian Pittiș Alexandru Proca George Simion Ilie Șteflea Valeriu Stoica Constantin Tănase Urmuz George
Gheorghe Lazăr National College, Bucharest
Gheorghe_Lazăr_National_College,_Bucharest
Mythical King
Silvius Alba (Silvius) Atys Capys Capetus Tiberinus Agrippa Romulus Silvius Aventinus Proca Numitor Amulius Rhea Silvia Mars Hersilia Romulus Remus Prima
Latinus_Silvius
Method in physics used to deal with infinities
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Renormalization
Boson with spin 1
all integer spin particles be bosons. Scalar boson Maxwell's equations Proca action Barianti, G.; Gabathuler, E. (October 1983). "Intermediate Vector
Vector_boson
Quantum field theory of electromagnetism
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Quantum_electrodynamics
Name list
(Проданко), Proka (Прока), Proko (Проко), Prokašin (Прокашин), Prole (Проле), Proca (Проца), Proša (Проша), Projo (Пројо), and others. Variants and diminutives
Prodan
King of Alba Longa in Roman mythology
Silvius Alba (Silvius) Atys Capys Capetus Tiberinus Agrippa Romulus Silvius Aventinus Proca Numitor Amulius Rhea Silvia Mars Hersilia Romulus Remus Prima
Silvius_(mythology)
Nuclear physics classification method
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Even_and_odd_atomic_nuclei
Genre of literature about illustrious figures
of individuals important to Roman history, from the legendary Alban king Proca to Cleopatra. This work was initially attributed to Aurelius Victor, under
De_viris_illustribus
Function in quantum field theory showing probability amplitudes of moving particles
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Propagator
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Mirror_nuclei
Mythological king of Troy
Silvius Alba Atys Capys Capetus Tiberinus Silvius Agrippa Romulus Silvius Aventinus Procas Numitor Amulius Ares/Mars Rhea Silvia/Ilia Hersilia Romulus Remus
Priam
Parameter describing the strength of a force
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Coupling_constant
Process of combining atomic nuclei
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Nuclear_fusion
Dimensionless number that quantifies the strength of the electromagnetic interaction
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Fine-structure_constant
President of Transnistria from 1991 to 2011
Dumitru H. Postovan Veniamin Potașev Ion Prisăcaru Vitalie Pritula Nicolae Proca Vasile Pruteanu Dumitru Puntea Victor Pușcaș Evgheni Pușneac Alexandra Raiu
Igor_Smirnov_(politician)
Moldovan businessman and politician
used as a tool of political persecution. Years later, the hitman Vitalie Proca stated in an interview that it was Vladimir Plahotniuc, not Usatîi, who
Renato_Usatîi
Metastable excited state of a nuclide
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Nuclear_isomer
Football club
Marinescu, Raicu, Aron, Zaharia, Hașoti, Fusulan, Proca, Ciripoi and David. In 1960 the team featured; Nicolae Proca, Gheorghe Fusulan, Gheorghe Ciripoi, Tică
FC_Brașov_(1936)
Trojan hero in Greco-Roman mythology
Silvius Alba Atys Capys Capetus Tiberinus Silvius Agrippa Romulus Silvius Aventinus Procas Numitor Amulius Ares/Mars Rhea Silvia/Ilia Hersilia Romulus Remus
Aeneas
Theorized type of radioactive decay
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Neutrinoless double beta decay
Neutrinoless_double_beta_decay
Type of approximation to an underlying physical theory
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Effective_field_theory
Mechanism that explains the generation of mass for gauge bosons
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Higgs_mechanism
Asymmetry of classical and quantum action
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Anomaly_(physics)
Atoms or particles produced by nuclear fission
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Nuclear_fission_product
Species of butterfly
Felder, 1859) Papilio chrysodamas (H.W. Bates, 1864) Papilio chromealus (Ehrmann, 1912) Papilio procas (Godman & Salvin, 1890) (preocc. Cramer, 1777)
Battus_laodamas
King of Alba Longa in Greco-Roman mythology
Silvius Alba (Silvius) Atys Capys Capetus Tiberinus Agrippa Romulus Silvius Aventinus Proca Numitor Amulius Rhea Silvia Mars Hersilia Romulus Remus Prima
Agrippa_(mythology)
Name list
Alexandru Popovici (Moldovan footballer) Alexandru Adrian Popovici Alexandru Proca Alexandru Repan Alexandru Rogobete Alexandru Sahia Alexandru Sătmăreanu
Alexandru
Type of radioactive decay
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Proton_emission
Romanian footballer (1951–1995)
Brașov, making his Divizia A debut on 11 June 1972 under coach Nicolae Proca in a 0–0 draw against Politehnica Iași. After playing only one league match
Dan_Păltinișanu
Transformation of a nuclide to another
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Nuclear_reaction
Nucleosynthesis pathway
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
R-process
Theorem for reducing high-order derivatives
theorem Wightman axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson
Wick's_theorem
Form of radioactive decay
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Spontaneous_fission
Subatomic particle with positive charge
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Proton
Alexandru Proca: He formulated the first mesonic theory of nuclear forces, including the equations for the mesonic vector field that carry his name (Proca's equations)
List of Romanian inventors and discoverers
List_of_Romanian_inventors_and_discoverers
Intersection of nuclear physics and high-energy physics
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
High-energy_nuclear_physics
Penetrating form of electromagnetic radiation
Davisson Fermi Hahn Jensen Lawrence Mayer Meitner Oliphant Oppenheimer Proca Purcell Rabi Rutherford Soddy Strassmann Świątecki Szilárd Teller Thomson
Gamma_ray
PROCA
PROCA
PROCA
PROCA
Boy/Male
Hindu, Indian
Lord Shiva; Saibaba
Boy/Male
Gaelic Hebrew Irish Scottish
Surname or Lastname
English
English : variant spelling of Ingram. This form, recorded in the 13th century, now appears to have died out in the British Isles.
Girl/Female
Gujarati, Indian, Kannada
Jwellry; Ornament
Girl/Female
German, Latin
Faithful; Steadfastness
Boy/Male
Celtic Gaelic Irish Welsh
Hound of the plain.
Boy/Male
Anglo Saxon
Warring.
Girl/Female
Tamil
Night
Boy/Male
Australian, Turkish
Last Man; Last Soldier
Boy/Male
German
Victorious.
PROCA
PROCA
PROCA
PROCA
PROCA
a.
Beginning; predisposing; exciting; initial.
n.
The Chinese yellow antelope (Procapra gutturosa), a remarkably swift-footed animal, inhabiting the deserts of Central Asia, Thibet, and China.
n.
A species of antelope (Procapra picticauda), inhabiting Thibet.
n.
The kindling of a disease into action; also, the procatarctic cause.
n.
Forwardness; pertness; petulance.
a.
Pert; petulant; forward; saucy.
n.
The young tissue of a fibrovascular bundle before its component cells have begun to be differentiated.