搜索结果: 1-15 共查到“理论物理学 Efficient”相关记录21条 . 查询时间(0.649 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：RL-based Trajectory Planning for Efficient Exploration of Spatio-Temporal Fields
RL 高效时空场 探测轨迹 规划
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2023/5/17
This talk concerns trajectory planning problems of an autonomous vehicle for field exploration, where the vehicle needs to accumulate sufficient information on a spatio-temporal field and to reach a d...
Towards an ultra efficient kinetic scheme. Part I: basics on the BGK equation
Kinetic equations discrete velocity models semi Lagrangian schemes Boltzmann-BGK equation 3D simulation
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2012/4/16
In this paper we present a new ultra efficient numerical method for solving kinetic equations. In this preliminary work, we present the scheme in the case of the BGK relaxation operator. The scheme, b...
Efficient computation of the Zassenhaus formula
Efficient computation Zassenhaus formula Mathematical Physics
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2012/4/18
A new recursive procedure to compute the Zassenhaus formula up to high order is presented, providing each exponent in the factorization directly as a linear combination of independent commutators and ...
Space-Efficient Approximation Scheme for Circular Earth Mover Distance
Space-Efficient Approximation Scheme Earth Mover Distance
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2012/12/4
The Earth Mover Distance (EMD) between point sets A and B is the minimum cost of a bipartite matching between A and B. EMD is an important measure for estimating similarities between objects with quan...
A highly efficient measure of mass segregation in star clusters
Methods numerical star clusters mass segregation
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2011/9/30
Abstract: Investigations of mass segregation are of vital interest for the understanding of the formation and dynamical evolution of stellar systems on a wide range of spatial scales. Our method is ba...
An efficient method to calculate excitation energy transfer in light harvesting systems. Application to the FMO complex
calculate excitation light harvesting systems
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2011/9/15
A master equation, derived from the non-Markovian quantum state diffusion (NMQSD), is used to calculate excitation energy transfer in the photosynthetic Fenna-Matthews-Olson (FMO) pigmentprotein compl...
Efficient, long-range correlation from occupied wavefunctions only
Efficient wavefunctions
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2011/9/9
We use continuum mechanics [Tao et al, PRL103,086401] to approximate the dynamic density response of interacting many-electron systems. Thence we develop a numerically efficient exchangecorrelation en...
An efficient algorithm for the computation of the trace of the symmetrized product of an arbitrary number of Dirac matrices with two indices
Clifford algebra and Dirac matrices Field theories in higher dimensions Computer algebra
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2011/7/26
An efficient algorithm for the computation of the trace of the symmetrized product of an arbitrary number of Dirac matrices with two indices.
A new and efficient method for the computation of Legendre coefficients
Legendre coefficients Fourier coefficients Abel transform
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2011/7/27
Abstract: An efficient procedure for the computation of the coefficients of Legendre expansions is here presented. We prove that the Legendre coefficients associated with a function f(x) can be repres...
Quantum Mechanical Simulation of Electronic Transport in Nanostructured Devices by Efficient Self-consistent Pseudopotential Calculation
Quantum Mechanical Simulation of Electronic Transport Nanostructured Devices
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2010/11/17
We present a new empirical pseudopotential (EPM) calculation approach to simulate the million
atom nanostructured semiconductor devices under potential bias using the periodic boundary con-
ditions....
An efficient method for the incompressible Navier-Stokes equations on irregular domains with no-slip boundary conditions, high order up to the boundary
the incompressible Navier-Stokes equations irregular domains no-slip boundary conditions
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2010/11/18
Common efficient schemes for the incompressible Navier-Stokes equations, such as projection or fractional step methods, have limited temporal accuracy as a result of matrix splitting errors, or introd...
Efficient creation of maximally entangled states by modulation of tunneling rates
entangled states modulation of tunneling rates
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2010/4/16
For systems described by the two-site Bose-Hubbard Hamiltonian, we show that a sinusoidal modulation of the tunneling matrix element assists higher-order co-tunneling processes. Using this mechanism, ...
An efficient test for product states
product states n quantum systems
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2010/3/10
We give a test that can distinguish efficiently between product states of n quantum systems and states which are far from product. If applied to a state psi whose maximum overlap with a product state ...
Efficient numerical method to calculate three-tangle of mixed states
calculate three-tangle of mixed states energy function quantum information theory
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2010/3/10
We demonstrate an efficient numerical method to calculate three-tangle of general mixed states. We construct a "energy function" (target function) for the three-tangle of the mixed state under certain...
Highly efficient energy excitation transfer in light-harvesting complexes: The fundamental role of noise-assisted transport
energy excitation light-harvesting complexes undamental role of noise-assisted transport
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2010/4/9
Excitation transfer through interacting systems plays an important role in many areas of physics, chemistry, and biology. The uncontrollable interaction of the transmission network with a noisy enviro...