搜索结果: 1-15 共查到“物理学 path”相关记录37条 . 查询时间(0.067 秒)
Group blazes path to efficient,eco-friendly deep-ultraviolet LED
Group eco-friendly deep-ultraviolet LED
2017/3/14
The darkest form of ultraviolet light, known as UV-C, is unique because of its reputation as a killer – of harmful organisms.With wavelengths of between 200 and 280 nanometers, this particular form of...
Worm Algorithm for Continuous-Space Path Integral Monte Carlo Simulations
Integral monte carlo method the worm simulation lattice model the continuous spatial multibody system thermodynamics
2014/12/20
We present a new approach to path integral Monte Carlo (PIMC) simulations based on the worm algorithm, originally developed for lattice models and extended here to continuous-space many-body systems. ...
Worm algorithm and diagrammatic Monte Carlo: A new approach to continuous-space path integral Monte Carlo simulations
Worm algorithm quantum multibody system thermodynamic properties continuous space
2014/12/20
A detailed description is provided of a new worm algorithm, enabling the accurate computation of thermodynamic properties of quantum many-body systems in continuous space, at finite temperature. The a...
Dilute Bose gas with correlated disorder: a path integral Monte Carlo study
Dilute bose gas thermodynamics integral monte carlo method the continuous space superfluids quantum
2014/12/19
We investigate the thermodynamic properties of a dilute Bose gas in a correlated random potential using exact path integral Monte Carlo methods. The study is carried out in continuous space and disord...
ANN ARBOR—An odd, iridescent material that's puzzled physicists for decades turns out to be an exotic state of matter that could open a new path to quantum computers and other next-generation electron...
Derivation of the Schrodinger equation from the Hamilton-Jacobi equation in Feynman's path integral formulation of quantum mechanics
Derivation of the Schrodinger equation Hamilton-Jacobi equation Feynman's path integral formulation of quantum mechanics
2012/4/19
It is shown how the time-dependent Schr\"{o}dinger equation may be simply derived from the dynamical postulate of Feynman's path integral formulation of quantum mechanics and the Hamilton-Jacobi equat...
Topological-phase effects and path-dependent interference in microwave structures with magnetic-dipolar-mode ferrite particles
Topological-phase effects path-dependent interference microwave structures magnetic-dipolar-mode ferrite particles
2012/4/19
Different ways exist in optics to realize photons carrying nonzero orbital angular momentum. Such photons with rotating wave fronts are called twisted photons. In microwaves, twisted fields can be pro...
Homotopy and Path Integrals
Homotopy Path Integral Multiply-connected space Spin Aharonov Bohm effect
2011/9/29
Abstract: This is an introductory review of the connection between homotopy theory and path integrals, mainly focus on works done by Schulman [23] that he compared path integral on SO(3) and its unive...
The path integral representation kernel of evolution operator in Merton-Garman model
path integration evolution operator kernel option pricing Black-Scholes formula
2011/7/26
Abstract: In the framework of path integral the evolution operator kernel for the Merton-Garman Hamiltonian is constructed. Based on this kernel option formula is obtained, which generalizes the well-...
Path Integrals for Quadratic Lagrangians on p-Adic and Adelic Spaces
Path Integrals Quadratic Lagrangians p-Adic Adelic Spaces
2010/12/27
Feynman's path integrals in ordinary, p-adic and adelic quantum mechanics are considered. The corresponding probability amplitudes $ K(x^{"},t^{"};x',t')$ for two-dimensional systems with quadratic L...
Thermal momentum distribution from path integrals with shifted boundary conditions
Thermal momentum distribution path integrals
2011/1/6
For a thermal field theory formulated in the grand canonical ensemble, the distribution of the total momentum is an observable characterizing the thermal state. We show that its cumulants are related ...
Thermal momentum distribution from path integrals with shifted boundary conditions
Thermal momentum distribution path integrals
2011/1/6
For a thermal field theory formulated in the grand canonical ensemble, the distribution of the total momentum is an observable characterizing the thermal state. We show that its cumulants are related ...
Fast Converging Path Integrals for Time-Dependent Potentials II: Generalization to Many-body Systems and Real-Time Formalism
Fast Converging Path Integrals Time-Dependent Potentials II
2010/12/27
Based on a previously developed recursive approach for calculating the short-time expansion of the propagator for systems with time-independent potentials and its time-dependent generalization for sim...
A note on the vector Schwinger Model with the photon mass term: Gauge invariant reformulation, operator solution and path integral formulation
vector Schwinger Model photon mass term
2010/12/23
Vector Schwinger model is reinvestigated with the mass like term for gauge field. Phase space structure has been determined in this situation. It has been found that mass of the gauge boson acquires ...
Thermal momentum distribution from path integrals with shifted boundary conditions
Thermal momentum distribution path integrals shifted boundary conditions
2010/12/27
For a thermal field theory formulated in the grand canonical ensemble, the distribution of the total momentum is an observable characterizing the thermal state. We show that its cumulants are related...