Zobrazeno 1 - 10
of 10
pro vyhledávání: '"F. S. Luiz"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract Machine learning has transformed science and technology. In this article, we present a model-independent classifier that uses the k-Nearest Neighbors algorithm to classify phases of a model for which it has never been trained. This is done b
Externí odkaz:
https://doaj.org/article/1d28db66875c4f7db0db258429482696
Publikováno v:
Physical Review A. 102
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Universidade de São Paulo (USP)
instacron:USP
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2019-10-06T16:41:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-07-24 Here we introduce the all-creation and all-annihilation time-dependent (TD) PT-symmetric bosonic Hamiltonians, which in the interaction pictu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22591f0680a781e34931c79cf5b736e7
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
We present here an extension of the Caldeira-Leggett linear response model considering a pseudo-Hermitian -symmetric system-reservoir interaction. Our generalized Feynman-Vernon functional, derived from the -symmetric coupling, accounts for two influ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a22ad08c372de40ce193cb7cadd864c5
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
In this work we present a general formalism to treat non-Hermitian and noncommutative Hamiltonians. This is done employing the phase-space formalism of quantum mechanics, which allows to write a set of robust maps connecting the Hamitonians and the a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be3723bd8f5787dc7be1b6162c62a293
Publikováno v:
Brazilian Journal of Physics. 45:550-559
In this work, we are interested on the implementation of single-qubit gates on coupled Bose-Einstein condensates (BECs). The system, a feasible candidate for a qubit, consists on condensed atoms of different hyperfine levels coupled by a two-photon t
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Web of Science
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Universidade de São Paulo (USP)
instacron:USP
Web of Science
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Here we present an strategy for the derivation of a time-dependent Dyson map which ensures simultaneously the unitarity of the time evolution and the observability of a quasi-Hermitian Hamiltonian. The time-dependent Dyson map is derived through a co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36ff5729417ea07cbfe3b9afafccd8c1
Autor:
Gustavo Rigolin, F. S. Luiz
We present a continuous variable (CV) quantum key distribution (QKD) scheme based on the CV quantum teleportation of coherent states that yields a raw secret key made up of discrete variables for both Alice and Bob. This protocol preserves the effici
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::448dbb8b995de80864d79aa7b1f9a609
Autor:
Gustavo Rigolin, F. S. Luiz
We show the optimal setup that allows Alice to teleport coherent states to Bob giving the greatest fidelity (efficiency) when one takes into account two realistic assumptions. The first one says that in any actual implementation of the continuous var
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::435c2b9ebb8755017d120dd9b3fbd46e
http://arxiv.org/abs/1309.3508
http://arxiv.org/abs/1309.3508
Publikováno v:
Physical Review A. 84
We show a procedure for engineering effective interactions between two modes in a bimodal cavity. Our system consists of one or more two-level atoms, excited by a classical field, interacting with both modes. The two effective Hamiltonians have a sim