In quantum mechanics, indistinguishable particles (also called identical or indiscernible particles) are particles that cannot be distinguished from one...
33 KB (5,512 words) - 19:26, 27 December 2024
Look up indistinguishability in Wiktionary, the free dictionary. Indistinguishability may refer to: Identical (indistinguishable) particles Computational...
422 bytes (58 words) - 21:47, 8 May 2024
Spin–statistics theorem (category Particle statistics)
particles: any physical prediction relating multiple indistinguishable particles must not change when the particles are exchanged. In a quantum system, a physical...
25 KB (3,172 words) - 18:08, 23 May 2025
non-interacting, identical particles that obey the Pauli exclusion principle. A result is the Fermi–Dirac distribution of particles over energy states. It...
30 KB (4,823 words) - 13:26, 20 November 2024
of one particle in state ϕ i {\displaystyle \phi _{i}} , we must bear in mind that in quantum mechanics identical particles are indistinguishable. In the...
16 KB (2,904 words) - 17:40, 19 April 2025
indistinguishable particles (in fact, indistinguishability is a prerequisite for defining a chemical potential in a consistent manner; all particles of...
37 KB (5,285 words) - 16:37, 8 April 2025
material particles over various energy states in thermal equilibrium. It is applicable when the temperature is high enough or the particle density is...
26 KB (5,136 words) - 06:15, 2 June 2025
example, a system with two indistinguishable particles, with particle 1 in state ψ 1 {\displaystyle \psi _{1}} and particle 2 in state ψ 2 {\displaystyle...
44 KB (5,316 words) - 06:35, 2 June 2025
non-interacting identical particles may occupy a set of available discrete energy states at thermodynamic equilibrium. The aggregation of particles in the same state...
39 KB (6,051 words) - 11:01, 4 June 2025
Bose–Einstein correlation between particles and antiparticles[citation needed]. The wave function of two identical particles is symmetric or antisymmetric...
17 KB (2,135 words) - 01:09, 26 May 2025
when one of its particles is replaced by another particle, these two particles are called distinguishable. Bosons Bosons are particles with integer spin...
17 KB (2,522 words) - 18:09, 16 April 2025
interaction is a quantum mechanical constraint on the states of indistinguishable particles. While sometimes called an exchange force, or, in the case of...
27 KB (3,629 words) - 11:29, 24 May 2025
parameters of separate particles. When an ensemble describes a system of particles with similar properties, their number is called the particle number and usually...
4 KB (488 words) - 20:59, 3 November 2024
where m is the number of sets of indistinguishable particles in the final state, and kj is the number of particles of type j, so that ∑ j = 1 m k j =...
10 KB (1,276 words) - 23:33, 25 May 2025
1899 to 1935. He is known for first proposing the concept of indistinguishable particles leading to quantum statistics. He came from a Jewish family of...
3 KB (252 words) - 10:38, 4 June 2025
hypothesized microscopic particles in particle physics, condensed matter physics and cosmology. Elementary particles are particles with no measurable internal...
25 KB (2,542 words) - 18:53, 17 May 2025
Gibbs paradox (category Particle statistics)
derivation of entropy that does not take into account the indistinguishability of particles yields an expression for entropy which is not extensive (is...
33 KB (5,196 words) - 07:47, 16 April 2025
for various types of particle. The grand canonical ensemble contains states of varying energy and varying numbers of particles; the different states...
43 KB (5,068 words) - 08:53, 3 June 2025
Boson (redirect from Spin 1 particles)
helium-4 (the alpha particle), carbon-12, lead-208, and many others. As quantum particles, the behaviour of multiple indistinguishable bosons at high densities...
10 KB (1,132 words) - 18:04, 22 May 2025
Higgs boson (redirect from Higgs particle)
problem in physics. Particle physicists study matter made from fundamental particles whose interactions are mediated by exchange particles – gauge bosons –...
243 KB (26,522 words) - 16:55, 2 June 2025
S is the entropy, μ is the chemical potential, and N is the number of particles in the system. The change in the grand potential is given by d Φ G = d...
5 KB (745 words) - 16:28, 8 April 2025
Albert Einstein (section Wave–particle duality)
a gas of indistinguishable particles. Einstein noted that Bose's statistics applied to some atoms as well as to the proposed light particles, and submitted...
227 KB (22,917 words) - 03:50, 30 May 2025
Partition function (statistical mechanics) (section Classical continuous system (multiple identical particles))
of particles. The grand canonical partition function applies to a grand canonical ensemble, in which the system can exchange both heat and particles with...
30 KB (5,025 words) - 07:13, 23 April 2025
gas as composed of numerous particles, too small to be seen with a microscope, in constant, random motion. These particles are now known to be the atoms...
62 KB (8,974 words) - 15:13, 27 May 2025
of particles, where any two particles of the same kind are indistinguishable and exchangeable. When the state is written in terms of the particles' individual...
29 KB (4,028 words) - 18:24, 1 April 2025
The particles predicted by parastatistics have not been experimentally observed. Consider the operator algebra of a system of N identical particles. This...
9 KB (1,372 words) - 02:17, 23 October 2024
} ( 2 π {\displaystyle 2\pi } ) under the exchange of identical particles, a particle with braid statistics leads to a rational fraction of π {\displaystyle...
3 KB (289 words) - 21:21, 26 May 2025
the quantum mechanical uncertainty principle, and the indistinguishability of the particles. Summing the four pieces, the Sackur–Tetrode equation is...
9 KB (1,125 words) - 13:50, 18 November 2024
Standard Model of elementary particle interactions requires the existence of a number of particles. However, some particles (the W and Z bosons) would then...
31 KB (3,852 words) - 14:55, 26 May 2025
magnetic field. In zero field, there will be no net motion of charged particles because the system is not able to rotate. There will therefore be an average...
14 KB (1,925 words) - 17:18, 25 April 2025