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113 papers · 1 filter
A numerical method to efficiently calculate the transport properties of large systems: an algorithm optimized for sparse linear solvers
Tatiane P. Santos, Leandro R. F. Lima, Caio H. Lewenkopf
We present a self-contained description of the wave-function matching (WFM) method to calculate electronic quantum transport properties of nanostructures using the Landauer-Büttike…
Light Spring amplification in a multi-frequency Raman amplifier
J. A. Arteaga, A. Serbeto, K. H. Tsui +1
We propose to amplify and compress an ultrashort Light Spring laser seed with a long Gaussian-shaped laser pump through Raman amplification. This Light Spring, which has a helical…
Optical simulation of a quantum thermal machine
M. H. M. Passos, Alan C. Santos, Marcelo S. Sarandy +1
We introduce both a theoretical and an experimental scheme for simulating a quantum thermal engine through an all-optical approach, with the behavior of the working substance and t…
Quantum computation from fermionic anyons on a 1D lattice
Allan D. C. Tosta, Daniel J. Brod, Ernesto F. Galvão
Fermionic linear optics corresponds to the dynamics of free fermions, and is known to be efficiently simulable classically. We define fermionic anyon models by deforming the fermio…
Floquet time crystals in clock models
Federica Maria Surace, Angelo Russomanno, Marcello Dalmonte +3
We construct a class of period--tupling discrete time crystals based on clock variables, for all the integers . We consider two classes of systems where this p…
-Strings with exact Casimir law and Abelian-like profiles
L. E. Oxman, G. M. Simões
We explore vortex solutions for a class of dual Yang-Mills models with Higgs fields in the adjoint representation. Initially, we show that there is a collective beh…