Zobrazeno 1 - 10
of 10
pro vyhledávání: '"A. V. Zampetaki"'
Publikováno v:
Communications Physics, Vol 5, Iss 1, Pp 1-11 (2022)
Combinatorial optimization problems, such as the max-cut problem, present efficiency challenges for traditional algorithms but can be solved using unconventional computing platforms. Here we demonstrate that electrical-oscillator networks can suitabl
Externí odkaz:
https://doaj.org/article/6ecdcf560bac41798f243adc5983cf0a
Publikováno v:
Physical review. E. 98(2-1)
We study the energy transfer in a classical dipole chain of $N$ interacting rigid rotating dipoles. The underlying high--dimensional potential energy landscape is analyzed in particular by determining the equilibrium points and their stability in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05e3c31f001c11f7d557f530c3b4bcc4
https://pubmed.ncbi.nlm.nih.gov/30253512
https://pubmed.ncbi.nlm.nih.gov/30253512
We explore the electrostatic bending response of a chain of charged particles confined on a finite helical filament. We analyze how the energy difference $\Delta E$ between the bent and the unbent helical chain scales with the length of the helical s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af36862d90c1dece6f32d0d2f759435c
http://arxiv.org/abs/1712.05772
http://arxiv.org/abs/1712.05772
Publikováno v:
Physical Review E. 95
We explore the non-equilibrium dissipative dynamics of a system of identical charged particles trapped on a closed helix. The particles are subject to an external force accelerating them along the underlying structure. The effective interactions betw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9f6adf647e4dd91019dee41ae0a3e53
https://doi.org/10.1103/physreve.95.022205
https://doi.org/10.1103/physreve.95.022205
We explore the effects of a homogeneous external electric field on the static properties and dynamical behavior of two charged particles confined to a helix. In contrast to the field-free setup which provides a separation of the center-of-mass and re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c26b680739162d13b363b63dc49f7ca
Publikováno v:
Physical Review E
Physical review / E 92(4), 042905 (2015). doi:10.1103/PhysRevE.92.042905
Physical review / E 92(4), 042905 (2015). doi:10.1103/PhysRevE.92.042905
We explore the long-time dynamics of a system of identical charged particles trapped on a closed helix. This system has recently been found to exhibit an unconventional deformation of the linear spectrum when tuning the helix radius. Here we show tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39a483d6f3ed7287c51d82e467d65c38
https://hdl.handle.net/11858/00-001M-0000-002B-0CC0-B11858/00-001M-0000-002B-0CBE-4
https://hdl.handle.net/11858/00-001M-0000-002B-0CC0-B11858/00-001M-0000-002B-0CBE-4
Publikováno v:
Physical review / A 91(2), 023409 (2015). doi:10.1103/PhysRevA.91.023409
Physical Review A
Physical Review A
We explore the formation of Wigner crystals for charged particles on a toroidal helix. Focusing on certain commensurate cases we show that the ground state undergoes a pitchfork bifurcation from the totally symmetric polygonic to a zig-zag-like confi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c8b910770626d4f318615e3c989fcb2
https://bib-pubdb1.desy.de/record/302086
https://bib-pubdb1.desy.de/record/302086
Publikováno v:
Physical Review E
We explore the effects arising due to the coupling of the center of mass and relative motion of two charged particles confined on an inhomogeneous helix with a locally modified radius. It is first proven that a separation of the center of mass and th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::814ba48be02ec7514b8f4515f1fa4e0a
https://doi.org/10.1103/physreve.88.043202
https://doi.org/10.1103/physreve.88.043202
Autor:
Alexandra V. Zampetaki, Dimitri J. Frantzeskakis, Panos Kevrekidis, Fotis K. Diakonos, Ricardo Carretero-González
Publikováno v:
Physical Review E
In the present work, we consider the problem of a system of few vortices $N \leq 5$ as it emerges from its experimental realization in the field of atomic Bose-Einstein condensates. Starting from the corresponding equations of motion, we use a two-pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44ae80143e3d3198e737eacffe6af092
https://pubmed.ncbi.nlm.nih.gov/24229256
https://pubmed.ncbi.nlm.nih.gov/24229256
Autor:
Fotis K. Diakonos, A. V. Zampetaki
Publikováno v:
Physical review letters. 109(9)
We show that the influence of thermal noise, simulated by a 2D ferromagnetic Ising spin lattice on a pair of noninteracting, initially entangled qubits, represented by quantum spins, leads to unexpected evolution of quantum correlations. The high tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2e382b7eb0c4459ac95bfe7c7eab091
https://pubmed.ncbi.nlm.nih.gov/23002814
https://pubmed.ncbi.nlm.nih.gov/23002814