Home » William Witczak-Krempa

William Witczak-Krempa

Members

Name

William Witczak-Krempa

Affiliation

Université de Montréal

Email

w.witczak-krempa@umontreal.ca

Phone (1)

514-343-6669

Areas of research (1)

Condensed Matter Physics, Quantum Field Theory, Conformal Field Theory

Area of research (2)

Entanglement, Quantum Critical Phase Transitions, Topological Phases in Quantum Materials, Quantum Spin Liquids

Students with dates (current and since last year) and affiliation (1)

Éric Dupuis, Fall 2017-present, Université de Montréal

Students with dates (current and since last year) and affiliation (2)

Christian Boudreault, Fall 2017-present, Université de Montréal

Students with dates (current and since last year) and affiliation (3)

Lena Engström, Fall 2018-present, McGill University

Students with dates (current and since last year) and affiliation (4)

Alex Vigeant, January 2019-present, Université de Montréal

Students with dates (current and since last year) and affiliation (5)

Daniel Gendron, January 2019-present, Université de Montréal

Students with dates (current and since last year) and affiliation (6)

Gabriel Longpré, September 2019-present, Université de Montréal

Students with dates (current and since last year) and affiliation (7)

Louis Godbout, September 2019-present, Université de Montréal

Student with dates (current and since last year), and affiliation (8)

Lucie Maude Fournier, September 2019-present, Université de Montréal

Student with dates (current and since last year), and affiliation (9)

Stéphane Vinet, September 2019-present, Université de Montréal

Student with dates (current and since last year), and affiliation (10)

Simon Martin, September 2019-present, Université de Montréal

Visiting Researchers with exact dates (current and since last year) and affiliation (1)

Andy Lucas, Stanford University, Dec. 10-14 2017

Visiting Researchers with exact dates (current and since last year) and affiliation (2)

Clément Berthiere, Peking University, April 1-12 2019

Selected Recent Publications (past 2 years only) (1)

Wei Zhu, Xiao Chen, Yin-Chen He, W. Witczak-Krempa, “Entanglement signatures of emergent Dirac fermions: kagome spin liquid & quantum criticality”, Science Advances 4, eaat5535 (2018).

Selected Recent Publications (past 2 years only) (2)

Xiao Chen, Eduardo Fradkin, W. Witczak-Krempa, “Quantum spin chains with multiple dynamics”, Phys. Rev. B 96, 180402(R) (2017).

Selected Recent Publications (past 2 years only) (3)

Xiao Chen, Eduardo Fradkin, W. Witczak-Krempa, “Gapless quantum spin chains: multiple dynamics and conformal wavefunctions”, Journal of Physics A: Mathematical and Theoretical, Volume 50, Number 46 (2017).

Selected Recent Publications (past 2 years only) (4)

A. Lucas, T. Sierens, W. Witczak-Krempa, “Quantum critical response: from conformal perturbation theory to holography”, JHEP (2017) 2017: 149 (2017).

Selected Recent Publications (past 2 years only) (5)

X. Chen, W. Witczak-Krempa, T. Faulkner, E. Fradkin, “Two-cylinder entanglement entropy under a twist”, Journal of Statistical Mechanics: Theory and Experiment, Volume 2017, April 2017.

Selected Recent Publications (past 2 years only) (6)

S. Whitsitt, W. Witczak-Krempa, S. Sachdev, “Entanglement entropy of the large N Wilson-Fisher conformal field theory”, Physical Review B 95, 045148 (2017).

Selected Recent Publications (past 2 years only) (7)

A. Lucas, S. Gazit, D. Podolsky, W. Witczak-Krempa, "Dynamical response near quantum critical points", Physical Review Letters 118, 056601 (2017).

Selected Recent Publications (past 2 years only) (8)

W. Witczak-Krempa, L. E. Hayward Sierens, R. G. Melko, "Cornering gapless quantum states via their torus entanglement", 118, 077202 (2017).

Selected Recent Publications (past 2 years only) (9)

R. C. Myers, T. Sierens, W. Witczak-Krempa, "A holographic model for quantum critical responses", JHEP 05 073 (2016).

Selected Recent Publications (past 2 years only) (10)

W. Witczak-Krempa, "Entanglement susceptibilities and universal geometric entanglement entropy", arXiv:1810.07209, 2018

Selected Recent Publications (past 2 years only) (11)

S. Tchoumakov, W. Witczak-Krempa, “Dielectric and electronic properties of three- dimensional Luttinger semimetals with a quadratic band touching”, Physical Review B 100, 075104, 13pp (2019).

Selected Recent Publications (past 2 years only) (12)

P. Bueno, H. Casini, W. Witczak-Krempa, “Generalizing the entanglement entropy of singular regions in conformal field theories”, J. High Energ. Phys. (2019) 2019: 69, 45pp.

Selected Recent Publications (past 2 years only) (13)

É. Dupuis, M.B. Paranjape, W. Witczak-Krempa, “Transition from a Dirac spin liquid to an antiferromagnet: Monopoles in a QED3-Gross-Neveu theory”, Physical Review B 100, 094443, 26pp (2019).

Selected Recent Publications (past 2 years only) (14)

C. Berthiere, W. Witczak-Krempa, “Relating bulk to boundary entanglement”, Physical Review B 100, 235112, 17pp (2019).

Recent Invited Talks and Lectures (past year only) (1)

“Intrication dans les matériaux quantiques”, Invited lecture, RQÉMP Summer School, Université Bishops, Sherbrooke, Québec, Canada, 2019.


Recent Invited Talks and Lectures (past year only) (2)

“Entanglement signatures of emergent Dirac fermions: kagome spin liquid & quantum criticality”, Invited seminar, Technical University of Munich, Munich, Germany, 2019.


Recent Invited Talks and Lectures (past year only) (3)

“Entanglement signatures of emergent Dirac fermions: kagome spin liquid & quantum criticality”, Invited seminar, Ohio State University, Columbus, Ohio, US, 2019.

Recent Awards, Distinctions, Prizes (past 2 years) (1)

Subvention établissement de nouveaux chercheurs universitaires, FRQNT, May 2018

Recent Awards, Distinctions, Prizes (past 2 years)(2)

"Le petit Nobel", best undergraduate teacher in the physics department, 2019.

Recent conferences organized or co-organized (past 2 years only) (1)

Quantum Theory and Symmetry XI, CRM, July 1-5, 2019.

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