Results 151 to 160 of about 1,860,621 (344)

Fully Quantum Perturbative Description of Correlated Stokes–Anti‐Stokes Scattering

physica status solidi (b), EarlyView.
The generation of Stokes‐anti‐Stokes (SaS) photon pairs with quantum correlations, like entanglement, has been developing recently, but a proper theoretical ground was missing. A fully quantum perturbative theory is provided to describe the four‐wave mixing contribution to the correlated SaS scattering, in which both matter and electromagnetic field ...
Raul Corrêa, Marcelo F. Santos, Carlos H. Monken, Ado Jorio   +3 more
wiley   +1 more source

Hamiltonian paths in oriented graphs

Journal of Combinatorial Theory, Series B, 1976
AbstractA short proof is given of Meyniel's theorem on Hamiltonian cycles in oriented graphs. Analogous conditions are obtained for a graph to be Hamiltonianconnected.
openaire   +2 more sources

Electronic Correlation Effects in the Response of Graphene and MoS2 Monolayers to the Impact of Highly‐Charged Ions

physica status solidi (b), EarlyView.
The response of graphene and MoS2 monolayers to highly‐charged impinging ions is investigated using nonequilibrium Green functions theory. Electronic correlations are found to have a significantly stronger influence on the ultrafast ion‐induced electron dynamics in MoS2 than in graphene.
Giorgio Lovato, Michael Bonitz, Karsten Balzer, Fabio Caruso, Jan‐Philip Joost   +4 more
wiley   +1 more source

Expansion of gene clusters, circular orders, and the shortest Hamiltonian path problem. [PDF]

J Math Biol, 2018
Prohaska SJ, Berkemer SJ, Gärtner F, Gatter T, Retzlaff N, Students of the Graphs and Biological Networks Lab 2017, Höner Zu Siederdissen C, Stadler PF.   +7 more
europepmc   +1 more source

Hamiltonian path integral quantization in polar coordinates [PDF]

, 1998
A. K. Kapoor, Pankaj Sharan
openalex   +1 more source

An Extended Hückel Theory Parameter Set for Efficient Electronic Structure Calculations of SiGe Alloys

physica status solidi (RRL) – Rapid Research Letters, EarlyView.
A new parameterization of Si and Ge in the framework of the extended Hückel theory is presented. Bandgap and effective mass are calculated for unstrained and biaxially strained SiGe alloys. In SiGeC alloys with C atoms in close proximity, additional bands are observed, which are related to defect states in real crystals.
Daniel Dick, Florian Fuchs, Jörg Schuster, Sibylle Gemming   +3 more
wiley   +1 more source

Hamiltonian paths through two- and three-dimensional grids

, 2005
William F. Mitchell
openalex   +1 more source

Hamiltonian paths and cycles in some 4-uniform hypergraphs [PDF]

, 2021
Guanwu Liu, Xiaonan Liu
openalex   +1 more source

Digital Twin Simulations Toolbox of the Nitrogen‐Vacancy Center in Diamond

Advanced Quantum Technologies, EarlyView.
The Nitrogen‐vacancy (NV) center in diamond is a key platform within quantum technologies. This work introduces a Python based digital‐twin of the NV, where the spin dynamics of the system is simulated without relying on commonly used approximations, such as the adoption of rotating frame. The digital‐twin is validated through three different examples,
Lucas Tsunaki, Anmol Singh, Sergei Trofimov, Boris Naydenov   +3 more
wiley   +1 more source

Charge Transport Across Single Molecules at the Metal–Superconductor Interface

Small, EarlyView.
The evolution of Andreev reflection in single‐molecule junctions is probed with the decreasing distance between a normal‐metal tip and a conventional superconductor. Andreev reflection becomes most effective when a molecular orbital straddles the Fermi level.
Lorenz Meyer, Maximilian Kögler, Ankur Das, Jose Luis Lado, Nicolas Néel, Jörg Kröger   +5 more
wiley   +1 more source