www.iip.ufrn.br

Quantum Criticality in Correlated Materials and Model Systems

Workshop | Monday, July 21, 2014 - Friday, August 01, 2014

Directors: Sebastien Burdin, R. Fernandes, Eduardo Miranda, Catherine Pepin
Date Time Speakers Name Talk Title

Thursday

July 23, 0201

01:40 pm - 02:20 pm

Mathieu Le Tacon
Max Planck Institute for Solid State Research

X-ray scattering study of CDW in underdoped cuprates

Monday

July 21, 2014

01:00 pm - 02:50 pm

Piers Coleman
Rutgers University

Heavy Fermions I

01:00 pm - 01:40 pm

Hilbert von Löhneysen
Karlsruhe Institute of Technology

Quantum criticality in correlated metals by Kondo effect and geometric frustration

01:40 pm - 02:20 pm

Daniel Braithwaite
Daniel Braithwaite

Macroscopic and microscopic studies of ferromagnetic quantum criticality in ytterbium systems

01:40 pm - 02:20 pm

Flavio Nogueira
Institut für Theoretische Physik

Magnetic and superconducting quantum phase transitions on the surface of a topological insulator

02:50 pm - 03:10 pm

Coffee Break

03:10 pm - 06:00 pm

Thomas Vojta
Missouri University of Science and Technology

Quantum criticality and correlations

03:10 pm - 03:50 pm

Sri Raghu
Sri Raghu

Wilsonian and Large N approaches to non-Fermi liquid behavior at quantum critical points

03:50 pm - 04:30 pm

Jan Zaanen
Instituut-Lorentz - Universiteit Leiden

Holography and the strange metals of condensed matter physics

04:30 pm - 04:50 pm

Coffee Break

04:50 pm - 05:30 pm

Dmitry V. Khveshchenko
University of North Carolina at Chapel Hill

Taking a critical look at holographic critical matte

05:30 pm - 06:00 pm

Discussion

Tuesday

July 22, 2014

01:00 pm - 02:50 pm

Michael R. Norman
Argonne National Laboratories

Topology and Superconductivity

01:00 pm - 01:40 pm

Jörg Schmalia
Karlsruhe Institute of Technology

Topological superconductivity and unconventional pairing in oxide interfaces

02:20 pm - 02:50 pm

Discussion

02:50 pm - 12:00 am

Coffee Break

03:10 pm - 05:40 pm

Baptiste Vignolle
CNRS

Cuprates I

03:50 pm - 04:10 pm

Konstantin Efetov
Ruhr University Bochum

Cascade of phase transitions near quantum critical point

03:50 pm - 04:10 pm

Michael Schütt
University of Minnesota Twin Cities

Can scattering by charge and spin fluctuations explain the resistivity anisotropy in underdoped cuprates?

04:10 pm - 04:30 pm

Coffee Break

04:30 pm - 05:10 pm

S. Sebastian
University of Cambridge

Nodal Fermi surface pocket in the underdoped cuprates

04:30 pm - 05:10 pm

Discussion

06:00 pm - 07:30 pm

Poster Session at IIP

Wednesday

July 23, 2014

01:00 pm - 03:50 pm

Konstantin Efetov
Ruhr University Bochum

Cuprates II

01:00 pm - 01:40 pm

Eduardo Silva Neto
University of British Columbia

STM and Resonant X-Ray Studies of Charge Order in the Cuprates

02:20 pm - 02:40 pm

Coffee Break

02:40 pm - 03:20 pm

Baptiste Vignolle
CNRS

From Quantum oscillations to charge order in underdoped high-Tc cuprates

03:20 pm - 03:50 pm

Break

03:20 pm - 03:50 pm

Discussion

04:00 pm - 06:30 pm

Hilbert von Löhneysen
Karlsruhe Institute of Technology

Heavy Fermions II

04:00 pm - 04:40 pm

Marie-Aude Measson
CNRS

Raman Signatures of the Hidden Order State and the Kondo Physics in URu2Si2

04:40 pm - 05:00 pm

Christopher Thomas
UFRGS

Spin liquid versus long-range magnetic order in the frustrated body-centered lattice

05:00 pm - 05:20 pm

Coffee Break

05:20 pm - 06:00 pm

Nick Curro
University of California, Davis

NMR Knight shift studies of CeMIn5 heavy fermions

06:00 pm - 06:30 pm

Discussion

08:00 pm - 10:30 pm

Dinner

Thursday

July 24, 2014

09:00 am - 11:30 am

Jan Zaanen
Instituut-Lorentz - Universiteit Leiden

Quantum criticality and disorder I

09:00 am - 09:40 am

Thomas Vojta
Missouri University of Science and Technology

Criticality and quenched disorder: rare regions vs. Harris criterion

09:40 am - 10:00 am

Eric de Castro e Andrade
UNESP

Magnetism in spin models for depleted honeycomb-lattice iridates: Spin-glass order towards percolation

10:00 am - 10:20 am

Coffee Break

10:00 am - 10:20 am

Coffee Break

10:20 am - 11:00 am

José A. Hoyos
USP

Phase diagram of the random spin-1 chain

11:00 am - 11:30 am

Discussion

11:30 am - 12:00 pm

Lunch

01:00 pm - 06:00 pm

Excursion

01:00 pm - 03:50 pm

Hermann Freire
Federal University of Goiás

Cuprates III

Friday

July 25, 2014

01:00 pm - 01:40 pm

André-Marie Tremblay
University of Sherbrooke

Antiferromagnetic Quantum Critical Behavior and Pseudogap in Electron Doped Cuprates

01:40 pm - 02:20 pm

Emanuel Gull
University of Michigan

Spectroscopic aspects and pairing glue of superconductivity in the Hubbard model

02:20 pm - 02:40 pm

Coffee Break

02:40 pm - 03:20 pm

Michael R. Norman
Argonne National Laboratories

Using X-rays to Elucidate Novel Order

03:20 pm - 03:50 pm

Discussion

03:50 pm - 04:00 pm

Break

04:00 pm - 05:20 pm

Daniel Braithwaite
Daniel Braithwaite

Heavy fermions III

04:00 pm - 04:40 pm

Piers Coleman
Rutgers University

The challenge of understanding how the Kondo Lattice becomes magnetic

04:40 pm - 05:20 pm

Claudine Lacroix
Institut Néel, CNRS

Fermi surface instabilities in Kondo lattices and Kondo alloys

05:20 pm - 05:40 pm

Coffee Break

05:40 pm - 06:20 pm

Christoph Geibel
Max Planck Institute for Chemincal Physics of Solids

Recent surprises in the Heavy Fermion systems YbRh2Si2 and CeCu2Si2

06:20 pm - 06:50 pm

Discussion

Sunday

July 27, 2014

09:00 am - 06:00 pm

Excursion to the Pipa Beach

Monday

July 28, 2014

01:00 pm - 03:50 pm

Oskar Vafek
Florida State University

Iron Pnictides I

01:00 pm - 01:14 pm

Mucio Continentino
Brazilian Center for Physics Research

Mechanism for enhancement of superconductivity in multi-band systems with odd parity hybridization

01:40 pm - 02:20 pm

Indranil Paul
Université Paris Diderot and CNRS

Interplay of magnetoelastic coupling, nesting and nematicity in the iron arsenide systems

02:20 pm - 02:40 pm

Coffee Break

02:40 pm - 03:20 pm

Abhay Pasupathy
Columbia University

Electronic nematicity in NaFeAs

03:20 pm - 03:50 pm

Discussion

03:50 pm - 04:00 pm

Break

04:00 pm - 06:50 pm

Indranil Paul
Université Paris Diderot and CNRS

Unconventional superconductors

04:00 pm - 04:40 pm

Henri Alloul
Université Paris Sud

NMR Study of the Superconducting Gap Variation near the Mott Transition in Cs3C60

04:40 pm - 05:20 pm

Alexandre Bouzdine
University of Bordeaux

Revealing the FFLO phase by the in-plane critical field anisotropy in layered superconductors

05:20 pm - 05:40 pm

Coffee Break

05:40 pm - 06:20 pm

Kamran Behnia
ESPCI

Superconductivity in dilute metals

06:30 pm - 06:50 pm

Discussion

Tuesday

July 29, 2014

01:00 pm - 03:30 pm

Kamran Behnia
ESPCI

Graphene and topological systems

01:00 pm - 01:40 pm

Oskar Vafek
Florida State University

Superconductivity on the Brink of Spin-Charge Order in a Doped Honeycomb Bilayer

01:40 pm - 02:00 pm

Aline Ramires Neves de Oliveira
ICTP-SAIFR, IFT-Unesp

Supersymmetric Symplectic Spins and Heavy Fermion Systems

02:00 pm - 02:40 pm

Leo Radzihovsky
University of Colorado-Boulder

Critical transport in weakly disordered semiconductors and Weyl semimetals

02:40 pm - 03:00 pm

Coffee Break

03:00 pm - 03:30 pm

Discussion

03:30 pm - 06:00 pm

Abhay Pasupathy
Columbia University

Iron Pnictides II

03:30 pm - 04:10 pm

Yann Gallais

Charge nematic fluctuations and superconducting gap in Ba(Fe1-xCox)2As2 and Ba1-xKxFe2As2 probed by Raman scattering

04:30 pm - 04:50 pm

Gabriel Luchini Martins
Federal Univerisity of Espirito Santo

RPA Analysis of a Two-orbital Model for the BiS2-based Superconductors

04:50 pm - 05:30 pm

Raymond Osborn
Argonne National Laboratories

Novel Magnetic States Close to the Quantum Phase Transition in Iron Pnictides

05:30 pm - 06:00 pm

Discussion

Wednesday

July 30, 2014

01:00 pm - 03:30 pm

Gertrud Zwicknagl
Technische Universitat Braunschweig

Quantum criticality and disorder II

01:00 pm - 01:40 pm

Vlad Dobrosavljevic
Florida State University

Quantum Critical Transport near the Mott Transition

01:40 pm - 02:00 pm

Maria Carolina Aguiar
Federal University of Minas Gerais

Anderson localization effects near the Mott metal-insulator transition

02:00 pm - 02:40 pm

Pasquale Sodano
IIP-UFRN

An order parameter for impurity systems at quantum criticality

02:40 pm - 03:00 pm

Coffee Break

03:00 pm - 03:30 pm

Discussion

03:30 pm - 05:40 pm

Raymond Osborn
Argonne National Laboratories

Cuprates IV

03:30 pm - 04:10 pm

Hermann Freire
Federal University of Goiás

Breakdown of Fermi liquid behavior near the hot spots in a two-dimensional fermionic model: A two-loop renormalization group analysis

04:10 pm - 04:30 pm

Coffee Break

04:30 pm - 05:10 pm

Juan Carlos Campuzano
Argonne National Laboratories

Electronic excitations in heavy fermions and cuprates and connections to quantum criticality

05:10 pm - 05:40 pm

Discussion

05:50 pm - 07:20 pm

Poster Session at IIPPoster Session at IIP

Thursday

July 31, 2014

01:00 pm - 02:50 pm

Pasquale Sodano
IIP-UFRN

Heavy fermions IV

01:00 pm - 01:40 pm

Shinji Watanabe
Kyushu Institute of Technology

Quantum criticality of valence fluctuations in Ce- and Yb-based heavy fermions

01:40 pm - 02:20 pm

Gertrud Zwicknagl
Technische Universitat Braunschweig

Quantum critical metal YbRh2Si2: High magnetic fields and elevated temperatures

02:20 pm - 02:50 pm

Discussion

02:50 pm - 03:10 pm

Coffee Break

03:10 pm - 05:40 pm

Vlad Dobrosavljevic
Florida State University

Quantum criticality in model systems

03:10 pm - 03:50 pm

Takashi Imai
McMaster University Physics & Astronomy

NMR investigation of quantum criticality in the transverse field Ising chain CoNb2O6 and its implications on other exotic systems

04:10 pm - 04:30 pm

Antonio Sergio Teixeira Pires
Federal University of Minas Gerais

Nematic phases studied using the SU(3) Schwinger boson formalism

04:30 pm - 05:10 pm

Alvaro Ferraz
International Institute of Physics - UFRN

Quantum confinement and Fermi surface renormalization in 2D

05:10 pm - 05:40 pm

Discussion