Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Krzysztof Giergiel"'
Publikováno v:
Physical Review Research, Vol 4, Iss 2, p 023151 (2022)
Bose-Hubbard models are simple paradigmatic lattice models used to study dynamics and phases of quantum bosonic matter. We combine the extended Bose-Hubbard model in the hard-core regime with ring-exchange hoppings. By investigating the symmetries an
Externí odkaz:
https://doaj.org/article/e54e61c82356400b939444aa5f1556a1
Autor:
Krzysztof Giergiel, Tien Tran, Ali Zaheer, Arpana Singh, Andrei Sidorov, Krzysztof Sacha, Peter Hannaford
Publikováno v:
New Journal of Physics, Vol 22, Iss 8, p 085004 (2020)
We investigate the size of discrete time crystals s (ratio of response period to driving period) that can be created for a Bose–Einstein condensate (BEC) bouncing resonantly on an oscillating mirror. We find that time crystals can be created with s
Externí odkaz:
https://doaj.org/article/5df4f77bf21448179a5c37200bf326c4
Autor:
Arkadiusz Kuroś, Rick Mukherjee, Weronika Golletz, Frederic Sauvage, Krzysztof Giergiel, Florian Mintert, Krzysztof Sacha
Publikováno v:
New Journal of Physics, Vol 22, Iss 9, p 095001 (2020)
A remarkable consequence of spontaneously breaking the time translational symmetry in a system, is the emergence of time crystals. In periodically driven systems, discrete time crystals (DTC) can be realized which have a periodicity that is n times t
Externí odkaz:
https://doaj.org/article/e739c2994c8e4c4badf0a6bdab4d4399
Publikováno v:
New Journal of Physics, Vol 21, Iss 5, p 052003 (2019)
By analogy with the formation of space crystals, crystalline structures can also appear in the time domain. While in the case of space crystals we often ask about periodic arrangements of atoms in space at a moment of a detection, in time crystals th
Externí odkaz:
https://doaj.org/article/3225b74ae89644d991e15227068d656c
Publikováno v:
Physical Review A. 106
It is common knowledge that atoms can form molecules if they attract each other. Here, we show that it is possible to create molecules where bound states of the atoms are not the result of attractive interactions but have the topological origin. That
Publikováno v:
Physical Review Letters. 127
Description of periodically and resonantly driven quantum systems can lead to solid state models where condensed matter phenomena can be investigated in time lattices formed by periodically evolving Wannier-like states. Here, we show that inseparable
Atoms can form molecules if they attract each other. Here, we show that atoms are also able to form bound states not due to the attractive interaction but because of destructive interference. If the interaction potential changes in a disordered way w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b76ea9e6740653cd3dce7350b68182b
https://ruj.uj.edu.pl/xmlui/handle/item/266986
https://ruj.uj.edu.pl/xmlui/handle/item/266986
Publikováno v:
AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019.
Autor:
Arpana Singh, Krzysztof Giergiel, Peter Hannaford, Ali Zaheer, Krzysztof Sacha, Tien Tran, Andrei Sidorov
Publikováno v:
New Journal of Physics. 22:085004
We investigate the size of discrete time crystals s (ratio of response period to driving period) that can be created for a Bose-Einstein condensate (BEC) bouncing resonantly on an oscillating mirror. We find that time crystals can be created with siz
Between space crystals and amorphous materials there exists a third class of aperiodic structures which lack translational symmetry but reveal long-range order. They are dubbed quasi-crystals and their formation, similarly as the formation of space c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6263ce9670d9e264fd27fd0b19aed13c