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Spin is an intrinsic form of angular momentum carried by elementary particles, and thus by composite particles such as hadrons, atomic nuclei, and atoms...

Resonance is the phenomenon, pertaining to oscillatory dynamical systems, wherein amplitude rises are caused by an external force with time-varying amplitude...

Gravitational waves are waves of the intensity of gravity that are generated by the accelerated masses of binary stars and other motions of gravitating...

Hubble's law, also known as the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional...

Zero-point energy (ZPE) is the lowest possible energy that a quantum mechanical system may have. Unlike in classical mechanics, quantum systems constantly...

Nuclear magnetic resonance (NMR) is a physical phenomenon in which nuclei in a strong constant magnetic field are perturbed by a weak oscillating magnetic...

A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively...

In quantum physics and chemistry, quantum numbers are quantities that characterize the possible states of the system. Quantum numbers are closely related...

Wind shear (or windshear), sometimes referred to as wind gradient, is a difference in wind speed and/or direction over a relatively short distance in the...

Post-quantum cryptography (PQC), sometimes referred to as quantum-proof, quantum-safe, or quantum-resistant, is the development of cryptographic algorithms...

The Lambda-CDM, Lambda cold dark matter, or ΛCDM model is a mathematical model of the Big Bang theory with three major components: a cosmological constant...

In cosmology, the steady-state model or steady state theory is an alternative to the Big Bang theory. In the steady-state model, the density of matter...

The Zeeman effect (/ˈzeɪmən/; Dutch pronunciation: [ˈzeːmɑn]) is the effect of splitting of a spectral line into several components in the presence of...

Fourier-transform infrared spectroscopy (FTIR) is a technique used to obtain an infrared spectrum of absorption or emission of a solid, liquid, or gas...

In geometry and physics, spinors (/spɪnər/) are elements of a complex number-based vector space that can be associated with Euclidean space. A spinor transforms...

An isentropic process is an idealized thermodynamic process that is both adiabatic and reversible.[excessive citations] The work transfers of the system...

A fluorescence microscope is an optical microscope that uses fluorescence instead of, or in addition to, scattering, reflection, and attenuation or absorption...

In quantum computing, a quantum algorithm is an algorithm that runs on a realistic model of quantum computation, the most commonly used model being the...

In physics, the terms order and disorder designate the presence or absence of some symmetry or correlation in a many-particle system.[citation needed]...

In materials science, a dislocation or Taylor's dislocation is a linear crystallographic defect or irregularity within a crystal structure that contains...

The magnetosphere of Jupiter is the cavity created in the solar wind by Jupiter's magnetic field. Extending up to seven million kilometers in the Sun's...

Nanoclusters are atomically precise, crystalline materials most often existing on the 0-2 nanometer scale.[citation needed] They are often considered[by...

In quantum mechanics, angular momentum coupling is the procedure of constructing eigenstates of total angular momentum out of eigenstates of separate angular...

Halo orbit A halo orbit is a periodic, three-dimensional orbit associated with one of the L1, L2 or L3 Lagrange points in the three-body problem of orbital...

The term quantum efficiency (QE) may apply to incident photon to converted electron (IPCE) ratio of a photosensitive device, or it may refer to the TMR...

Wendell Hinkle Furry (February 18, 1907 – December 17, 1984) was a professor of physics at Harvard University who made contributions to theoretical and...

Stanley J. Brodsky (born January 9, 1940) is an American theoretical physicist and emeritus professor in the SLAC Theory Group at the SLAC National Accelerator...

Paul Karl Ludwig Drude (German: [ˈdʁuːdə]; 12 July 1863 – 5 July 1906) was a German physicist specializing in optics. He wrote a fundamental textbook integrating...

In fluid dynamics and thermodynamics, the Lewis number (denoted Le) is a dimensionless number defined as the ratio of thermal diffusivity to mass diffusivity...

Electron energy loss spectroscopy (EELS) is a form of electron microscopy in which a material is exposed to a beam of electrons with a known, narrow range...

In materials science, heavy fermion materials are a specific type of intermetallic compound, containing elements with 4f or 5f electrons in unfilled electron...

In electrostatics, a perfect conductor is an idealized model for real conducting materials. The defining property of a perfect conductor is that static...

In quantum mechanics, the Renninger negative-result experiment is a thought experiment that illustrates some of the difficulties of understanding the nature...

In quantum mechanics, the eigenvalue q {\displaystyle q} of an observable O {\displaystyle O} is said to be a good quantum number if the observable O {\displaystyle...

Jules Louis Gabriel Violle (16 November 1841 – 12 September 1923) was a French physicist and inventor. He is notable for having determined the solar constant...

Sankar Das Sarma (/ˈʃæŋkɑːr dæʃ ˈʃɑːrmə/) is an India-born American theoretical condensed matter physicist. He has been a member of the department of physics...

Adiabatic circuits are low-power electronic circuits which use "reversible logic" to conserve energy. The term "adiabatic" refers to an ideal thermodynamic...

Francesco Petruccione AAS,ASSAf, NITheCS is a physicist and academic leader currently living in South Africa and serving as a professor of Physics at Stellenbosch...

Klaus Blaum (born 27 December 1971 in Sobernheim, now Bad Sobernheim, Germany) is a German physicist and director at the Max Planck Institute for Nuclear...

Winifred Margaret Deans (9 October 1901 – 7 June 1990) was a prolific translator of German scientific texts into English, who also taught mathematics and...

Guy de Téramond Peralta is a Costa Rican-French theoretical physicist. His research has been focused on nuclear and high energy physics. Following the...