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X-ORIGINAL-URL:https://iqus.uw.edu/
X-WR-CALNAME:IQuS
X-WR-CALDESC:InQubator for Quantum Simulation
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UID:MEC-96671501524948bc3937b4b30d0e57b9@iqus.uw.edu
DTSTART:20240515T203000Z
DTEND:20240515T213000Z
DTSTAMP:20240209T200400Z
CREATED:20240209
LAST-MODIFIED:20240515
PRIORITY:5
SEQUENCE:0
TRANSP:OPAQUE
SUMMARY:Bath engineering magnetic order in quantum spin chains: An analytic approach
DESCRIPTION:\nDvira Segal, University of Toronto\nBath engineering magnetic order in quantum spin chains: An analytic approach\nI will describe a non-perturbative analytic mapping framework that we recently developed in Ref. [1] to tackle the behavior of open quantum systems interacting with dissipative environments beyond the weak coupling limit. After presenting the method, I will discuss its applications to impurity and lattice models, touching on the transient [2] and the steady state limit [3]. In particular, I will focus on Ref. [4] where we systematically show how one can engineer different magnetic orders in spin systems by controlling the locality of the attached baths. I will discuss the following bath-induced transitions: (i) antiferromagnetic (AFM) to ferromagnetic ordering in a Heisenberg spin chain, (ii) AFM to an extended Neel phase order in the transverse-field Ising model, and (iii) a quantum phase transition in the fully connected Ising model. I will conclude with potential extensions to the mapping, e.g., to higher dimensions and to larger spin systems.\n\n\n[1] N. Anto-Sztrikacs, A. Nazir, and D. Segal, PRX Quantum 4, 020307 (2023).\n[2] M. Brenes, B. Min, N. Anto-Sztrikacs, N. Bar-Gill, and D. Segal, arXiv:2403.03386\n[3] N. Anto-Sztrikacs, B. Min, M. Brenes, D. Segal, Phys. Rev. B 108, 115437 (2023)\n[4] B. Min, N. Anto-Sztrikacs, M. Brenes, and D. Segal, arXiv:2401.06227\n\n
URL:https://iqus.uw.edu/events/dvira-segal-university-of-toronto/
ORGANIZER;CN=Niklas Mueller:MAILTO:niklasmu@uw.edu
CATEGORIES:Seminars
LOCATION:UW, 15th and Pacific, Seattle
ATTACH;FMTTYPE=image/png:https://iqus.uw.edu/wp-content/uploads/2024/04/DviraSegal.png
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