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

Postdoctoral Fellows with dates (current and since last year) (1)

Gilles Parez, November 2021-present, CRM

Postdoctoral Fellows with dates (current and since last year) (2)

Clément Berthiere, September 2021-present, Université de Montréal

Postdoctoral Fellows with dates (current and since last year) (3)

Chia-Chuan Liu, September 2020-August 2022, Université de Montréal

Postdoctoral Fellows with dates (current and since last year) (4)

Rufus Boyack, September 2020-June 2022, Université de Montréal

Postdoctoral Fellows with dates (current and since last year) (5)

Ren-Bo Wang, August 2022-present, Université de Montréal

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

Dounia Shaaban Kabakibo (PhD), January 2022-present, Université de Montréal

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

Simon Garneau-Desroches (PhD), September 2021-April 2022, Université de Montréal

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

Liuke Liu (PhD), September 2021-present, Université de Montréal

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

Lena Engström (PhD), September 2018-present, McGill University

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

Christian Boudreault (PhD), September 2017-January 2022, Université de Montréal

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

AmirHossein Fallah Zarrinkar (PhD), January 2023-present, Université de Montréal

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

Juliette Geoffrion (MSc), September 2020- August 2022, Université de Montréal

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

James Fraser (MSc), September 2020-present, Université de Montréal

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

Louis Godbout (MSc), September 2019- December 2021, Université de Montréal

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

Gabriel Longpré (MSc), September 2019- December 2021, Université de Montréal

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

G. Beaudin, L.M. Fournier, M. Nicklas, M. Kenzelmann, M. Laver, W. Witczak-Krempa, A.D. Bianchi, ‘’ Possible quantum nematic phase in a colossal magnetoresistance material’’, Physical Review B 105, 035104, 10 pp (2022)

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

B. Estienne, J-M. Stéphan, W. Witczak-Krempa, "Cornering the universal shape of fluctuations'' , Nature Communications 13, 287, 14 pp (2022)

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

Y.-C. Wang, M. Cheng, W. Witczak-Krempa, Z. Y. Meng, “Fractionalized conductivity at topological phase transitions”, Nature Communications 12, 5347, 9pp (2021)

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

L.Engström, T. Pereg-Barnea, William Witczak-Krempa, "Modeling multiorbital effects in Sr2IrO4 under strain and a Zeeman field", Physical Review B 103, 155147 (2021)

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

B. Sirois, L. Fournier, J. Leduc, W. Witczak-Krempa, “Geometric entanglement in integer quantum Hall states”, Physical Review B 103, 115115, 19 pp (2021)

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

L. Godbout, S. Tchoumakov, W. Witczak-Krempa, “Impurities in three-dimensional quadratic band-touching Luttinger semimetals: Friedel and RKKY oscillations”, Physical Review B 102, 205202, 10pp (2020)

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

P-G. Rozon, P-A. Bolteau, W. Witczak-Krempa, “Geometric entanglement in integer quantum Hall states with boundaries”, Physical Review B 102, 155417, 15pp (2020)

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

S. Tchoumakov, L.J.Godbout, W. Witczak-Krempa, “Superconductivity from Coulomb repulsion in three-dimensional quadratic band touching Luttinger semimetals”, Physical Review Research 2, 013230, 15pp (2020)

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

"Cornering the universal shape of fluctuations and entanglement", Invited seminar (online), Center of Mathematical Sciences and Applications, Harvard University, Cambridge, US, September 2021

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

"Cornering the universal shape of fluctuations and entanglement", Invited seminar (online), Kadanoff Center for Theoretical Physics, University of Chicago, Illinois, US, March 2021

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

"Conformal field theories and quantum phase transitions: an entanglement perspective", Invited seminar (online), Northwestern University, Illinois, US, February 2021

Recent Invited Talks and Lectures (past year only) (4)

Theoretical search for quantum spin liquids on the Kagome lattice, Contributed talk, Regroupement Québécois des Matériaux de Pointe, Montréal, Canada, January 2021

Recent Invited Talks and Lectures (past year only) (5)

"Fractionalized conductivity and emergent self-duality topological phase transitions", Quantum Materials 2.0 Conference, Jouvence,Quebec, Canada, May 2022

Recent Invited Talks and Lectures (past year only) (6)

"Fractionalized conductivity and emergent self-duality topological phase transitions",Guangdong-Hong Kong-Macao Greater-Bay-Area Seminar on Highly Entangled Topological Quantum Matters , Online, June 2022

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

Canada Research Chair in Quantum Phase Transitions (2021)

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

"Le petit Nobel", 3rd place – Voted 3rd best undergraduate teacher in the physics department (2020)

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

Co-organizer for the “Quantum Mathematics” Session at the Canadian Mathematical Society Summer Meeting (online). 2021/06

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

Co-organizer for the Grand Conference of the Regroupement Québécois sur les Matériaux de Pointe (RQMP). 2020/05

Recent conferences organized or co-organized (past 2 years only) (3)

Co-organazier for the Conformal field theory and quantum many-body physics. August 2022

Recent conferences organized or co-organized (past 2 years only) (4)

Co-organizer, Bootstrapping Nature: Non-perturbative Approaches to Critical Phenomena. At the Galileo Galilei Institute for Theoretical Physics (GGI) (Italy)