DOI: 10.1073/pnas.1408861112. Emergence of coherence and the dynamics of quantum phase transitions

Emergence of coherence and the dynamics of quantum phase transitions

10.1073/pnas.1408861112

Crossref journal-article

Proceedings of the National Academy of Sciences

Proceedings of the National Academy of Sciences (341)

Abstract

Significance Quantum phase transitions are characterized by a dramatic change of the ground-state behavior; famous examples include the appearance of magnetic order or superconductivity as a function of doping in cuprates. In this work, we explore how a system dynamically crosses such a transition and in particular, investigate in detail how coherence emerges when an initially incoherent Mott insulating system enters the superfluid regime. We present results from an experimental study using ultracold atoms in an optical lattice as well as numerical simulations and find a rich behavior beyond the scope of any existing theory. This quantum simulation of a complex many-body system is an important stepping stone for a deeper understanding of the intricate dynamics of quantum phase transitions.

Bibliography

Braun, S., Friesdorf, M., Hodgman, S. S., Schreiber, M., Ronzheimer, J. P., Riera, A., del Rey, M., Bloch, I., Eisert, J., & Schneider, U. (2015). Emergence of coherence and the dynamics of quantum phase transitions. Proceedings of the National Academy of Sciences, 112(12), 3641â3646.

Authors 10

Simon Braun (first)
Mathis Friesdorf (additional)
Sean S. Hodgman (additional)
Michael Schreiber (additional)
Jens Philipp Ronzheimer (additional)
Arnau Riera (additional)
Marco del Rey (additional)
Immanuel Bloch (additional)
Jens Eisert (additional)
Ulrich Schneider (additional)

References 55 Referenced 159

S Sachdev Quantum Phase Transitions (Cambridge Univ Press, Cambridge, United Kingdom, 1999). / Quantum Phase Transitions by Sachdev S (1999)
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A del Campo WH Zurek Universality of phase transition dynamics: Topological defects from symmetry breaking. Int J Mod Phys A 29(08):1430018. (2014). (10.1142/S0217751X1430018X)
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10.1103/PhysRevA.78.013627

Dates

Type	When
Created	10 years, 5 months ago (March 9, 2015, 10:42 p.m.)
Deposited	3 years, 4 months ago (April 12, 2022, 11 p.m.)
Indexed	6 days, 4 hours ago (Aug. 23, 2025, 9:52 p.m.)
Issued	10 years, 5 months ago (March 9, 2015)
Published	10 years, 5 months ago (March 9, 2015)
Published Online	10 years, 5 months ago (March 9, 2015)
Published Print	10 years, 5 months ago (March 24, 2015)

Funders 0

None

BibTeX

@article{Braun_2015, title={Emergence of coherence and the dynamics of quantum phase transitions}, volume={112}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.1408861112}, DOI={10.1073/pnas.1408861112}, number={12}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Braun, Simon and Friesdorf, Mathis and Hodgman, Sean S. and Schreiber, Michael and Ronzheimer, Jens Philipp and Riera, Arnau and del Rey, Marco and Bloch, Immanuel and Eisert, Jens and Schneider, Ulrich}, year={2015}, month=mar, pages={3641–3646} }

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