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The quantum concentration nQ is the particle concentration (i.e. the number of particles per unit volume) of a system where the interparticle distance
Quantum_concentration
Nano-scale semiconductor particles
Quantum dots (QDs) or semiconductor nanocrystals are semiconductor particles a few nanometres in size with optical and electronic properties that differ
Quantum_dot
Type of display device
A quantum dot display is a display device that uses quantum dots (QDs), semiconductor nanocrystals which can produce pure monochromatic red, green, and
Quantum_dot_display
Description of the behaviour of bosons
statistics apply when quantum effects are important and the particles are "indistinguishable". Quantum effects appear if the concentration of particles satisfies
Bose–Einstein_statistics
cohomology Quantum computer Quantum concentration Quantum correlation Quantum cosmology Quantum critical point Quantum decoherence Quantum defect Quantum degeneracy
Index_of_physics_articles_(Q)
Theory of a quantum origin of consciousness
originates at the quantum level inside neurons (rather than being a product of neural connections). The mechanism is held to be a quantum process called
Orchestrated objective reduction
Orchestrated_objective_reduction
American alternative medicine advocate (born 1946)
teachings, attempts to integrate Ayurveda with quantum mechanics. Chopra says that what he calls "quantum healing" cures any manner of ailments, including
Deepak_Chopra
Electromagnetic effect in physics
carrier concentration, and extremely low temperatures. As in the integer quantum Hall effect, the Hall resistance undergoes certain quantum Hall transitions
Fractional quantum Hall effect
Fractional_quantum_Hall_effect
Black hole created from highly concentrated energy
theoretical astrophysical object predicted by general relativity. It is a concentration of heat, light, or radiation so intense that its energy forms an event
Kugelblitz_(astrophysics)
Concentration of a compound where 50% of its maximal effect is observed
the concentration of a compound where 50% of its maximal effect is observed. The EC50 of a quantal dose response curve represents the concentration of
EC50
Macroscopic processes showing quantum behavior
Macroscopic quantum phenomena are processes showing quantum behaviour at the macroscopic scale, rather than at the atomic scale where quantum effects are
Macroscopic_quantum_phenomena
In quantum chaos, a branch of mathematical physics, quantum ergodicity is a property of the quantization of classical mechanical systems that are chaotic
Quantum_ergodicity
Constriction between electrically conducting regions
A quantum point contact (QPC) is a narrow constriction between two wide electrically conducting regions, of a width comparable to the electronic wavelength
Quantum_point_contact
Concept in quantum mechanics
A quantum well is a potential well wherein the energy spectrum of charge carriers is discrete. As opposed to a bulk region, wherein the carriers are free
Quantum_well
Quantum microscopy allows microscopic properties of matter and quantum particles to be measured and imaged. Various types of microscopy use quantum principles
Quantum_microscopy
Foundational principle in quantum physics
known as Heisenberg's indeterminacy principle, is a fundamental concept in quantum mechanics. It states that there is a limit to the precision with which
Uncertainty_principle
Number of times a given event occurs per photon absorbed by a quantum system
In particle physics, the quantum yield (denoted Φ) of a radiation-induced process is the number of times a specific event occurs per photon absorbed by
Quantum_yield
Swiss-British actor
Swiss-British actor. He is best known for his performance as Elvis in Quantum of Solace. He has appeared in more than ninety films since 1998 and has
Anatole_Taubman
Various physical phenomena
superradiation, is the radiation enhancement effects in several contexts including quantum mechanics, astrophysics and relativity. For want of a better term, a gas
Superradiance
Hypothetical black holes of very small size
known as mini black holes and quantum mechanical black holes, are hypothetical tiny (<1 M☉) black holes, for which quantum mechanical effects play an important
Micro_black_hole
Process of "purifying" entangled quantum states
noisy quantum channel. Either classical or quantum information can be transmitted over a quantum channel by encoding the information in a quantum state
Entanglement_distillation
American theoretical physicist (1904–1967)
molecular wave functions; work on the theory of positrons, quantum electrodynamics, and quantum field theory; and the Oppenheimer–Phillips process in nuclear
J._Robert_Oppenheimer
Concentration of chemical orbitals on adjacent atoms
In chemical bonds, an orbital overlap is the concentration of orbitals on adjacent atoms in the same regions of space. Orbital overlap can lead to bond
Orbital_overlap
The behavior of quantum dots (QDs) in solution and their interaction with other surfaces is of great importance to biological and industrial applications
Hydrogel encapsulation of quantum dots
Hydrogel_encapsulation_of_quantum_dots
Point defect in diamonds
phenomena. Its atomic size and spin properties can form the basis for useful quantum sensors. NV centers enable nanoscale measurements of magnetic and electric
Nitrogen-vacancy_center
Hexagonal lattice made of carbon atoms
single quantum) is thought to occur. It may therefore be a suitable material for constructing quantum computers using anyonic circuits. The quantum Hall
Graphene
Study of electromagnetic radiation absorbed/emitted by atoms
described with the quantum numbers l (orbital angular momentum quantum number), ml (magnetic quantum number), ms (electron spin quantum number), and n (principal
Atomic_spectroscopy
Structure that repeats in time; a novel type or phase of non-equilibrium matter
In condensed matter physics, a time crystal is a quantum system of particles whose lowest-energy state is one in which the particles are in repetitive
Time_crystal
Formalism in general relativity
Regge calculus has been adapted to study quantum gravity. Numerical relativity Quantum gravity Euclidean quantum gravity Piecewise linear manifold Euclidean
Regge_calculus
Philosophical view that events are determined by prior events
the idea, because of quantum decoherence, that quantum indeterminacy can be ignored for most macroscopic events. Random quantum events "average out" in
Determinism
Physics applied to chemical systems
concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibria
Physical_chemistry
Type of composite materials
the QTC, the spikes move closer to each other and a [quantum] effect occurs as a high concentration of electrons flow from one spike tip to the next. The
Quantum_tunnelling_composite
Number of particles in a thermodynamic system
volume. This parameter is often denoted by the lower-case letter n. In quantum mechanical processes, the total number of particles may not be preserved
Particle_number
Material of moderate electrical conductivity
The modern understanding of the properties of a semiconductor relies on quantum physics to explain the movement of charge carriers in a crystal lattice
Semiconductor
Electromagnetic effect in physics
and low temperature, one can observe the quantum Hall effect, in which the Hall conductance σ undergoes quantum Hall transitions to take on quantized values
Hall_effect
Application of physics to the study of economics
known as quantum probability—to modelling in economics and finance. It draws on related areas such as quantum cognition, quantum game theory, quantum computing
Econophysics
Physics of many interacting particles
mathematically encoded as a phase point (classical mechanics) or a pure quantum state vector (quantum mechanics). An equation of motion which carries the state forward
Statistical_mechanics
Physical quantities taking values at each point in space and time
spacetime, or as a single rank-2 tensor field. In the modern framework of the quantum field theory, even without referring to a test particle, a field occupies
Field_(physics)
Iron oxide particles with diameters between about 1 and 100 nanometers
(perchlorates, chlorides, sulfates, and nitrates), or the Fe(II)/Fe(III) concentration ratio. A microemulsion is a stable isotropic dispersion of 2 immiscible
Iron_oxide_nanoparticle
Transport of dissolved species from the highest to the lowest concentration region
be affected by changes in concentration, pressure or temperature. (This is a classical description. At smaller scales, quantum effects will be non-negligible
Diffusion
Measure of organism response to stimulus
Dose–response relationships can be described by dose–response curves, or concentration-response curves. This is explained further in the following sections
Dose–response_relationship
Variety of resonant circuit
An LC circuit can be quantized using the same methods as for the quantum harmonic oscillator. An LC circuit is a variety of resonant circuit, and consists
Quantum_LC_circuit
Statistical description for the behavior of fermions
Fermi–Dirac statistics is a type of quantum statistics that applies to the physics of a system consisting of many non-interacting, identical particles
Fermi–Dirac_statistics
Scientific law describing absorption of light
Beer–Lambert law (also known as Beer's law) is used to determine the concentration of substances in a solution. It describes how the amount of light that
Beer–Lambert_law
Chemical element with atomic number 86 (Rn)
unavailable for bonding—a consequence only understood within relativistic quantum chemistry. The 3.8-day half-life of 222Rn makes it useful in physical sciences
Radon
Topics referred to by the same term
failure of a symmetry of a theory's classical action Conformal anomaly, a quantum phenomenon that breaks the conformal symmetry of the classical theory Chiral
Anomaly
State of a system in quantum mechanics
In quantum mechanics, a doublet is a composite quantum state of a system with an effective spin of 1/ 2 , such that there are two allowed values of
Doublet_state
Emission of electrons when electromagnetic radiation hits a material
The phenomenon is studied in condensed matter physics, solid state, and quantum chemistry to draw inferences about the properties of atoms, molecules and
Photoelectric_effect
Algorithm in quantum information theory
initializing process taking place before a regular quantum computation. Quantum computers need qubits (quantum bits) on which they operate. Generally, in order
Algorithmic_cooling
Ratio of energy extracted from sunlight in solar cells
instead, including quantum efficiency, open-circuit voltage (VOC) ratio, and § Fill factor. Reflectance losses are accounted for by the quantum efficiency value
Solar-cell_efficiency
Material whose resistance changes when a force is applied
reduced amid larger applied forces. To operate based on quantum tunneling, particle concentration in the conductive polymer must be held below the percolation
Force-sensing_resistor
Biological process to convert light into chemical energy
possible time.[citation needed] Because that quantum walking takes place at temperatures far higher than quantum phenomena usually occur, it is only possible
Photosynthesis
Maximum theoretical efficiency of a solar cell
with a quantum efficiency smaller than 1. The cell may be more sensitive to these lower-energy photons. Dyes, rare-earth phosphors and quantum dots are
Shockley–Queisser_limit
Mode of arrangement of electrons in different shells of an atom
In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure)
Electron_configuration
(e.g. tn = a + (n − 1)d) the principal quantum number the amount of a given substance the number concentration the overall order of reaction Refractive
Latin letters used in mathematics, science, and engineering
Latin_letters_used_in_mathematics,_science,_and_engineering
Diode that emits light from an organic compound
insensitivity to the doping concentration from an oxygen-bridged triarylboron-based TADF emitter: non-doped OLEDs with a high external quantum efficiency up to 21
OLED
Subatomic particle having no substructure
Einstein subsequently identified matter as ultimately composed of various concentrations of energy. Subatomic constituents of the atom were first identified
Elementary_particle
Semiconductor light source
InGaN quantum wells sandwiched between thicker layers of GaN, called cladding layers. By varying the relative In/Ga fraction in the InGaN quantum wells
Light-emitting_diode
Metal-free biologically compatible quantum dots with photoluminescence
Silicon quantum dots are metal-free biologically compatible quantum dots with photoluminescence emission maxima that are tunable through the visible to
Silicon_quantum_dot
Israeli-American engineer, inventor (1923–1979)
parents, his younger brother and sister were killed in German Nazi concentration camps. He narrowly escaped being sent to the camps and moved to British
Itzhak_Bentov
occur in 2025. The United Nations declared 2025 the International year of quantum science and technology. 1 January – Detailed telemetry data from the Parker
2025_in_science
Computing by new or unusual methods
building practical quantum computers, including the difficulty of maintaining qubits' quantum states and the need for error correction. Quantum complexity theory
Unconventional_computing
Theory of rapid universe expansion
1980s. It explains the origin of the large-scale structure of the cosmos. Quantum fluctuations in the microscopic inflationary region, magnified to cosmic
Cosmic_inflation
Topics referred to by the same term
of vibration in an oscillating system Normal order, or Wick order in quantum field theory Normal school, a school created to train high school graduates
Normal
Type of field-effect transistor
content increases linearly to around 40-50%. This concentration of germanium allows the formation of a quantum well structure with a high conduction band offset
High-electron-mobility transistor
High-electron-mobility_transistor
American multinational technology company
engineering, quantum sensing, and cryogenics into its quantum computing development, while Boeing and GM will continue partnering with IBM on quantum applications
IBM
American mathematical physicist (born 1979)
parameter concentration and training saturation effects. In terms of circuit training, Biamonte has also contributed to the development of quantum machine
Jacob_Biamonte
Smallest unit of a chemical element
predicting their behavior using classical physics is not possible due to quantum effects. More than 99.94% of an atom's mass is in the nucleus. Protons
Atom
Chinese economic development plan (2026–2030)
support similar policies for advanced semiconductors, biotechnology, and quantum technology. Other efforts focus on improving China's financial strength
15th_Five-Year_Plan
Daily total of photosynthetic light per area
the organic nitrogen concentration, but decreases the concentration of chlorophyll and minerals. It increases the concentration of starch and sugars,
Daily_light_integral
Technique for measuring chemical composition of a gas
referred to as TDLS, TLS or TLAS) is a technique for measuring the concentration of certain species such as methane, water vapor and many more, in a
Tunable diode laser absorption spectroscopy
Tunable_diode_laser_absorption_spectroscopy
Physical quantity with no units
constant in quantum mechanics, and the Lorentz factor in relativity. In chemistry, state properties and ratios such as mole fractions (as concentration ratios)
Dimensionless_quantity
January 27, 1989JP January 27, 1989 December 1989 Unreleased Classic Concentration Softie GameTek September 1990NA Unreleased September 1990 Unreleased
List of Nintendo Entertainment System games
List_of_Nintendo_Entertainment_System_games
Israeli physicist and activist (born 1963)
Ron Folman (Hebrew: רון פולמן; born 16 February 1963), is an Israeli quantum physicist and social activist. He works at the Ben-Gurion University of the
Ron_Folman
Dutch) Minneord over Stein Bråten (in Norwegian) MD Bright of Armor Wars, Quantum & Woody and Icon Dies, Aged 68 히로시마AG 축구 한일전 명승부 주인공 최대식 감독 별세 (in Korean)
Deaths_in_March_2024
Device for concentrating solar radiation using luminescence
irradiance than the input, as measured in watts per square metre. The concentration factor is the ratio between output and input irradiance of the whole
Luminescent solar concentrator
Luminescent_solar_concentrator
Retrieved August 4, 2020. "The Ambassador: Fractured Timelines isn't a Quantum Leap for the Twin-Stick Shooter Genre". IGN. September 11, 2020. Retrieved
List of Nintendo Switch games (A–Am)
List_of_Nintendo_Switch_games_(A–Am)
occupies portions of the Old Royal Naval College. Antony Gormley's sculpture Quantum Cloud is erected on the Greenwich Peninsula. The Cathedral of the Dormition
Timeline of London (20th century)
Timeline_of_London_(20th_century)
Free-moving particle which carries an electric charge
Free carrier concentration is the concentration of free carriers in a doped semiconductor. It is similar to the carrier concentration in a metal and
Charge_carrier
Impact-resistant high explosive
researchers from the Indian Institutes of Technology using noble-metal quantum clusters could detect TNT at the sub-zeptomolar (10−18 mol/m3) level. TNT
TNT
Intentional introduction of impurities into an intrinsic semiconductor
is the concentration of conducting electrons, p0 is the conducting hole concentration, and ni is the material's intrinsic carrier concentration. The intrinsic
Doping_(semiconductor)
Compact astronomical body
consensus that supermassive black holes exist in the centres of most galaxies. Quantum field theory in curved spacetime predicts that event horizons emit Hawking
Black_hole
the Chicxulub impact. Ota et al. (2026) identify changes in osmium concentrations and osmium isotope ratio of sediments from the Kawaruppu section of
2026_in_paleontology
Chemical element with atomic number 1 (H)
absorbed and emitted by hydrogen was a crucial part of the development of quantum mechanics. Hydrogen, typically nonmetallic except under extreme pressure
Hydrogen
TV series
post-war Europe, are found to have had connections with the SS and a concentration camp, respectively, in occupied Poland. When Eric apparently commits
List_of_Father_Brown_episodes
produced by interacting spins in diamond, offering potential applications in quantum communication and sensing. 5 January – NASA announces that it has awarded
2026_in_science
German physicist (1925–2001)
(Principle of Dynamic Kontrabarie) for coupling general relativity with quantum dynamics for propulsion applications. Sample calculations for an expedition
Burkhard_Heim
Chemical element with atomic number 14 (Si)
the photocurrent emitted by the quantum dots instead of monitoring the photoluminescent display. If the concentration of the desired chemical increases
Silicon
Dutch physicist and chemist
Academy of Quantum Molecular Science. Retrieved 7 August 2013. Kostas Gavroglu, Ana Simoes (2012). Neither physics nor chemistry – a history of quantum chemistry
Clemens_C._J._Roothaan
Physical and chemical properties of pure water
the activities, or approximately, the concentrations of H+ and OH− is a constant, so their respective concentrations are inversely proportional to each other
Properties_of_water
Semiconductor laser
the quantum well layer(s) to a layer(s) with quantum wires and especially quantum dots. In a quantum cascade laser, the difference between quantum well
Laser_diode
Type of dye
when it aggregates under the influence of a solvent or additive or concentration as a result of supramolecular self-organisation. The dye can be characterized
J-aggregate
South Korean manhwa series
Quantum Mistake, originally titled Change Guy (Korean: 체인지가이) after its Korean-language title, is a manhwa originally published in 31 volumes between
Quantum_Mistake
Works in Oxford University Press series
Reading Belinda Jack 18 April 2019 Literature 601 Concentration Camps Dan Stone 28 March 2019 Concentration Camps: A Short History, 2017 History 602 Methodism
List of Very Short Introductions books
List_of_Very_Short_Introductions_books
American scientist and activist (1901–1994)
other being Marie Curie. Pauling was one of the founders of the fields of quantum chemistry and molecular biology. His contributions to the theory of the
Linus_Pauling
Chemical compound
together under inert gas or vacuum. Zone melting is used to decrease the concentration of impurities. When synthesizing single crystals of bismuth antimonides
Bismuth_antimonide
Anti-LGBTQ conspiracy theory
fish showed sublethal reproductive effects at ecologically relevant concentrations. Reviewing 19 studies in total, the United States Environmental Protection
LGBTQ chemicals conspiracy theory
LGBTQ_chemicals_conspiracy_theory
American physicist, author and screenwriter (born 1954)
an infinite-dimensional version of the problem, and for his work on the quantum theory of light inside dielectrics. Mlodinow has also written books for
Leonard_Mlodinow
Quantum field of electrons
A charge density wave (CDW) is an ordered quantum fluid of electrons in a linear chain compound or layered crystal. The electrons within a CDW form a
Charge_density_wave
Newborn - chess AI, automated theorem-proving Patrick Hayden - quantum information and quantum computing George Marsaglia - random number generation Václav
McGill School of Computer Science
McGill_School_of_Computer_Science
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