Results 251 to 260 of about 2,978,757 (308)
Advanced Functional Materials, EarlyView.Effective control over the crystalline contact plane and microstructure of a naphthalenediimide‐bithiazole copolymer enables high‐performance n‐type thermoelectrics. While rubbing alignment induces a detrimental edge‐on orientation, subsequent solvent vapor‐induced re‐orientation facilitates a favorable mixed face‐on/edge‐on morphology.
Suhao Wang +13 more
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Journal of Chemical Physics, 2023
This paper reports the release of PathSum, a new software suite of state-of-the-art path integral methods for studying the dynamics of single or extended systems coupled to harmonic environments. The package includes two modules, suitable for system-bath
Sohang Kundu, N. Makri
semanticscholar +1 more source
This paper reports the release of PathSum, a new software suite of state-of-the-art path integral methods for studying the dynamics of single or extended systems coupled to harmonic environments. The package includes two modules, suitable for system-bath
Sohang Kundu, N. Makri
semanticscholar +1 more source
Journal of Chemical Physics, 2020
The discretized path integral expression for the reduced density matrix (RDM) of a system interacting with a dissipative harmonic bath is fully entangled because of influence functional terms that couple the variables at different time points.
N. Makri
semanticscholar +1 more source
The discretized path integral expression for the reduced density matrix (RDM) of a system interacting with a dissipative harmonic bath is fully entangled because of influence functional terms that couple the variables at different time points.
N. Makri
semanticscholar +1 more source
Path Integrals and Product Integrals
Journal of Mathematical Physics, 1971The product integral is shown to be the appropriate mathematical tool for implementing the path integral for spin in its simplest form.
Hamilton, J. F. jun., Schulman, L. S.
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Small Matrix Path Integral for System-Bath Dynamics.
Journal of Chemical Theory and Computation, 2020A small matrix decomposition of the path integral expression (SMatPI) that yields the reduced density matrix of a system interacting with a dissipative harmonic bath is obtained by recursively spreading the entangled influence functional terms over ...
N. Makri
semanticscholar +1 more source
Small Matrix Path Integral with Extended Memory.
Journal of Chemical Theory and Computation, 2020The small matrix decomposition of the path integral (SMatPI) for a discrete system coupled to a harmonic bath expresses the reduced density matrix in terms of matrices whose size is given by the number of states comprising the system, circumventing the ...
N. Makri
semanticscholar +1 more source
Hippocampus, 2004
AbstractIt is often assumed that navigation implies the use, by animals, of landmarks indicating the location of the goal. However, many animals (including humans) are able to return to the starting point of a journey, or to other goal sites, by relying on self‐motion cues only.
Etienne, Ariane S., Jeffery, Kathryn J.
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AbstractIt is often assumed that navigation implies the use, by animals, of landmarks indicating the location of the goal. However, many animals (including humans) are able to return to the starting point of a journey, or to other goal sites, by relying on self‐motion cues only.
Etienne, Ariane S., Jeffery, Kathryn J.
openaire +3 more sources
International Journal of Modern Physics B, 2004
Feynman started the theory of quantum computation by observing that quantum mechanical amplitudes cannot be simulated efficiently on a computer, since path integrals are computationally hard. Path integrals are heuristic tools for Schrödinger's hamiltonians, at least for real time dynamics. On the contrary they have a rigorous mathematical meaning for
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Feynman started the theory of quantum computation by observing that quantum mechanical amplitudes cannot be simulated efficiently on a computer, since path integrals are computationally hard. Path integrals are heuristic tools for Schrödinger's hamiltonians, at least for real time dynamics. On the contrary they have a rigorous mathematical meaning for
openaire +2 more sources
Animal Behaviour, 1998
We studied path integration in dogs, Canis familiaris, required to return to the starting point of L-shaped outward paths in the absence of landmark information. The analysis of the distributions of errors in the return direction and distance showed that the dogs made both systematic and random errors. They tended to overestimate by about 6 degrees the
, Seguinot, , Cattet, , Benhamou
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We studied path integration in dogs, Canis familiaris, required to return to the starting point of L-shaped outward paths in the absence of landmark information. The analysis of the distributions of errors in the return direction and distance showed that the dogs made both systematic and random errors. They tended to overestimate by about 6 degrees the
, Seguinot, , Cattet, , Benhamou
openaire +2 more sources