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Program of the Two-dimensional excitonic insulators MiniColloquium

We are happy to announce the program of our three-day  Two-dimensional excitonic Insulators MiniColloquium, organised by Hope Bretscher (MPI, Germany), Elisa Molinari (UniMoRe, Italy) and Massimo Rontani (Cnr-Nano, Italy), within the Conference of the Condensed Matter Division of the European Physical Society (CMD30 – FisMat2023)

Download in PDF the PROGRAM and the MiniColloquium BOOK and the WRAP UP PRESENTATION .

PROGRAM

Monday 4th to Friday 8th September 2023

  Politecnico in Milano, Italy

Monday,
4th September
MC 10: Two-dimensional excitonic insulators I 
Chair: Elisa Molinari (room: 26.1.5)
15:15Massimo Rontani
Overview
15:30David Cobden (invited talk)
Peculiar behavior in two-dimensional semimetals such as WTe2
16:00Daniele Varsano
Theory of the excitonic insulator phase in monolayer WTe2
16:15Michael S. Fuhrer
Origin of spatial modulations of the local density of states in WTe2
16:30Claudia Cardoso
Anomalous plasmon dispersion in topological semimetals
16:45Andrea Blason
Exciton topology and condensation in a model quantum spin Hall insulator
17:00François Dubin
From Mott insulators to checkerboard solids with dipolar excitons
17:15Sara Conti
Chester supersolid of excitons in semiconductor heterostructures
17:30Igor Bondarev
Magnetic-field-induced Wigner crystallization of charged interlayer excitons in van der Waals heterostructures
17:45Happy Hour and Poster Session
poster room
Giacomo Sesti
Excitonic insulator phase in narrow-gap carbon nanotubes
Alperen Tugen
Optical detection of excitonic insulators in van der Waals heterobilayers: Progress and future prospects
Tuesday,
5th September
MC 10: Two-dimensional excitonic insulators II 
Chair: Hope Bretscher (room: 26.1.5)
10:45Philip Kim
Transport signature of magnetoexciton insulating state in electron-hole graphene double-layers
11:00Filippo Pascucci
Josephson effect and superfluidity in exciton heterobilayers
11:15Fredrik Nilsson
Ab initio predictions of new exciton insulators
11:30Youngwook Kim
Quantum Hall superfluid in twisted bilayer/double bilayer graphene
11:45Peter Littlewood
Non reciprocal phase transitions in polaritonic systems
12:00Matteo D’Alessio
Excitons in bilayer WTe2
12:15Friedhelm Bechstedt
Can Xenes be excitonic insulators?
12:30Miki Bonacci
Possible excitonic instability in AsCuLi2
12:45Yuanchang Li
Materials Design of Magnetic and Topological Excitonic Insulators from First-principles
13:00Huaiyuan Yang
Spin-Triplet Topological Excitonic Insulators in Two-dimensional Materials
MC 10: Two-dimensional excitonic insulators III 
Chair: Massimo Rontani (room: 26.1.5)
15:15Girsh Blumberg
Is Ta2NiSe5 a true excitonic insulator?
15:30Denis Golez
Symmetries and collective mode in excitonic insulators
15:45Satoshi Ejima
Order, criticality, and excitations in the extended Falicov-Kimball model: A case study for the strong excitonic insulator candidate Ta2NiSe5
16:00Banhi Chatterjee
Ground state symmetries and collective modes in Ta2NiSe5 – an excitonic insulator candidate
16:15Yuelin Shao
Electrical Breakdown of Excitonic Insulators
16:30Giacomo Sesti
Excitonic vs Mott insulator in carbon nanotubes: A proposed experimental test
16:45Giacomo Mazza
Hidden excitonic quantum states with broken time reversal symmetry
17:00
(45 minuts)
Discussion Session I —- Moderator: Philip Kim
19:30Minicolloquium Dinner:
Trattoria Bertamè —- Via Francesco Lomonaco, 13b, 20131 Milano MI, Italia
Wednesday,
6th September
MC 10: Two-dimensional excitonic insulators IV 
Chair: Elisa Molinari (room: 26.1.5)
15:15 Abstract Withdrawn
15:30Lorenzo Del Re
Correlated phases in AB-stacked twisted TMD bilayers
15:45Sufei Shi
Excitonic insulator in a Bilayer WSe2/monolayer WS2 moiré superlattice
16:00Ivan Amelio
Polaron spectroscopy of a bilayer excitonic insulator
16:15Adriano Amaricci
Strongly correlated exciton-polarons in twisted homobilayer of transition metal dichalcogenides
16:30Fulvio Paleari
Bulk MoS2 under pressure as an excitonic insulator
16:45Benjamin Remez
Theory of Disordered Excitonic Insulators
17:00
(45 minuts)
Discussion Session II