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- ...group diagrams into [[determinant]]s, and finally use [[Markov chain Monte Carlo]] to stochastically sum up the resulting series.<ref name="gull11" /> ...istinguish the method from the then-predominant [[Hirsch–Fye quantum Monte Carlo]] method,<ref name=rubtsov05/> which relies on a [[Lie–Trotter product form ...8 KB (1,118 words) - 16:35, 6 March 2023
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- ...f the [[variational Monte Carlo]] method, in which a time-dependent [[pure quantum state]] is encoded by some variational [[wave function]], generally paramet ...angle A\rangle_t\langle B\rangle_t </math> are connected averages, and the quantum expectation values are taken over the time-dependent variational [[wave fun ...3 KB (471 words) - 10:42, 21 February 2024
- ...CarleoTroyer:2016" /> to approximate [[wave functions]] of [[many-body]] [[quantum]] systems. ...comprising <math> N </math> degrees of freedom and a choice of associated quantum numbers <math> s_1 \ldots s_N </math>, then an NQS parameterizes the wave-f ...5 KB (765 words) - 10:46, 21 February 2024
- ...group diagrams into [[determinant]]s, and finally use [[Markov chain Monte Carlo]] to stochastically sum up the resulting series.<ref name="gull11" /> ...istinguish the method from the then-predominant [[Hirsch–Fye quantum Monte Carlo]] method,<ref name=rubtsov05/> which relies on a [[Lie–Trotter product form ...8 KB (1,118 words) - 16:35, 6 March 2023
- ...medes uses the [[Monte Carlo methods for electron transport|Ensemble Monte Carlo]] method and is able to simulate physics effects and transport for electron ...ll be substituted by Archimedes, making this one the GNU package for Monte Carlo semiconductor devices simulations.<ref>{{cite mailing list |last=Sellier |f ...9 KB (1,331 words) - 20:36, 15 September 2024
- ...e function|dynamical properties]] of physical systems from [[Quantum Monte Carlo]] simulations, which often compute Green function values only at [[imaginar ...8-05-01|title=Stochastic method for analytic continuation of quantum Monte Carlo data|url=https://link.aps.org/doi/10.1103/PhysRevB.57.10287|journal=Physica ...8 KB (1,138 words) - 16:50, 3 February 2025
- ...iration for cluster algorithms used in [[Quantum Monte Carlo|quantum monte carlo]] simulations. ...2=Jian-Sheng|date=1987-01-12|title=Nonuniversal critical dynamics in Monte Carlo simulations|url=https://link.aps.org/doi/10.1103/PhysRevLett.58.86|journal= ...6 KB (907 words) - 18:40, 11 January 2022
- [[File:Hamiltonian Monte Carlo.gif|right|thumb|300px|Hamiltonian Monte Carlo sampling a two-dimensional probability distribution]] ...m (originally known as '''hybrid Monte Carlo''') is a [[Markov chain Monte Carlo]] method for obtaining a sequence of [[Sampling (statistics)|random samples ...13 KB (2,053 words) - 18:06, 10 January 2025
- ...treated using [[quantum mechanics]], EVB uses a calibrated [[Hamiltonian (quantum mechanics)|Hamiltonian]] to approximate the potential energy surface of a r ...ental, typically from a reaction in water or other solvents. Alternatively quantum chemical calculations can be used for calibration. ...4 KB (588 words) - 12:40, 8 September 2023
- ...surface, usually by means of a [[stochastic differential equation]] of a [[Quantum field theory|field]]. ...er=Cambridge University Press|oclc=939869413}}</ref><ref>{{Cite book|title=Quantum Field Theory|last=Zee|first=Anthony|publisher=Princeton University Press|ye ...10 KB (1,405 words) - 11:54, 3 April 2024
- ...rticle system]]s. It often arises in calculations of the properties of a [[quantum mechanical]] system with large number of strongly interacting [[fermion]]s, ...less there are cancellations arising from some symmetry of the system, the quantum-mechanical sum over all multi-particle states involves an integral over a f ...16 KB (2,305 words) - 14:13, 8 December 2024
- ...imilar spin-models such as the [[Ising model]] and the [[Heisenberg model (quantum)|Heisenberg model]] in that it includes a term analogous to [[kinetic energ ...d [[electrons]] in low-energy states.<ref name="sachdev">{{Cite book|title=Quantum Phase Transitions |last=Sachdev |first=Subir |url=https://books.google.com/ ...5 KB (757 words) - 17:08, 30 January 2022
- ...rce]] is believed to emerge from the [[strong interaction]] described by [[quantum chromodynamics]] (QCD), but QCD is non-perturbative in the low-energy regim After arriving at a [[Hamiltonian (quantum mechanics)|Hamiltonian]] <math>H</math> (based on chiral EFT or other model ...6 KB (780 words) - 14:55, 16 July 2022
- ...ion and computation, it is essential to construct coherent combinations of quantum states. ...ions can be performed on a sequence of pairs of physically distinguishable quantum bits and, therefore, can be illustrated by a simple four-level system. ...13 KB (1,886 words) - 09:12, 13 September 2024
- ...ticanonical sampling''' or '''flat histogram''') is a [[Markov chain Monte Carlo]] sampling technique that uses the [[Metropolis–Hastings algorithm]] to com ...umber of degrees of freedom, like [[Spin (physics)|spin]] systems, [[Monte Carlo integration]] is required. In this integration, [[importance sampling]] and ...17 KB (2,617 words) - 01:11, 15 June 2023
- ...|last4=LeCun |first4=Yann |author-link4=Yann LeCun |last5=Baldassi |first5=Carlo |last6=Borgs |first6=Christian |author-link6=Christian Borgs |last7=Chayes ...ref>{{cite book |first=R. |last=Neal |title=Handbook of Markov Chain Monte Carlo |chapter=MCMC Using Hamiltonian Dynamics |publisher=CRC Press |year=2011 |i ...9 KB (1,326 words) - 16:18, 4 October 2024
- {{Short description|Simulation software for quantum systems}} ...ap]]ping, [[Circuit quantum electrodynamics|superconducting circuits]] and quantum nanomechanical [[resonator]]s. The library includes extensive [[Scientific ...8 KB (992 words) - 14:52, 15 February 2025
- ...'' is a [[Semiclassical physics|semiclassical]] [[Monte Carlo method|Monte Carlo]] (MC) approach of modeling [[semiconductor]] transport. Assuming the carri ...merical method such as the spherical harmonics approach, whereas the Monte Carlo is the stochastic approach used to solve the BTE. ...32 KB (4,845 words) - 21:39, 6 April 2024
- '''STARlight''' is a computer simulation ([[Monte Carlo method|Monte Carlo]]) [[event generator]] program to simulate ultra-peripheral collisions amon ...14847 | page=2617| pmc=4371050 |doi-access=free}}</ref> using lowest order quantum electrodynamics. The latter reaction is important because it shows that th ...8 KB (1,008 words) - 15:17, 5 March 2024
- ...at the nuclei of [[atoms]] or [[molecules]]. The full [[Quantum mechanics|quantum mechanical]] process of pair production can be described by the quadruply d This expression can be derived by using a quantum mechanical symmetry between pair production and [[Bremsstrahlung]]. {{br}}< ...8 KB (1,407 words) - 00:55, 14 July 2024
- '''Quantum stochastic calculus''' is a generalization of [[stochastic calculus]] to [[ | title = Quantum Ito's Formula and Stochastic Evolutions ...19 KB (2,986 words) - 16:01, 12 February 2025