Probing Sign Structure Using Measurement-Induced Entanglement - Timothy Hsieh
Kavli Institute for Theoretical Physics via YouTube
Overview
Syllabus
Intro
Motivation
How to detect sign structure?
Measurement-induced Entanglement (MIE)
Sign-Free Stabilizer States
Stabilizers with Sign Structure
Hybrid Quantum Circuits
Sign Structure Constrains Scaling Dimensions
Clifford hybrid circuit
Haar hybrid circuit
Spin (Qubit) Systems
Sketch of Proof
MIE of Critical 1d Transverse Field Ising Model
MIE of Gapless SPT (with sign structure)
Open Questions
Overview
MIE of Critical Ground State with Sign Structure
Taught by
Kavli Institute for Theoretical Physics