Simon Trebst
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Simon Trebst
@simontrebst.bsky.social
Exploring the physics of entangled quantum matter in Cologne.
Herzlichen Glückwunsch!
April 9, 2025 at 6:06 PM
Lecture 14:

Measurement-only dynamics: monitored transverse-field Ising model, entanglement phase transition & percolation, scrambling and unscrambling by measurement, monitored Kitaev model

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QCP.14: Measurement-only dynamics
Measurement-only dynamics: monitored transverse-field Ising model, entanglement phase transition, critical theory & percolation, monitored Kitaev model
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January 29, 2025 at 8:40 AM
Lecture 13:

Measurement-induced phase transition: entangling vs. disentangling forces, scrambling & volume-law stability, critical dynamics, minimal cut, percolation

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QCP.13 measurement-induced phase transition
Measurement-induced phase transition: entangling vs. disentangling forces, scrambling, critical dynamics, minimal cuts & percolatio, purification transition
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January 29, 2025 at 8:40 AM
Lecture 12:

Geometry of entanglement: minimal cut, KPZ physics

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QCP.12 geometry of entanglement
Geometry of entanglement: minimal cut, KPZ physics
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January 29, 2025 at 8:40 AM
Lecture 11:

Random unitary circuits: unitary circuits, thermalization & entanglement dynamics, random circuits, entanglement growth

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QCP.11 random unitary circuits
Random unitary circuits: unitary circuits, thermalization & entanglement dynamics, random circuits, entanglement growth
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January 29, 2025 at 8:40 AM
Lecture 10:

The year 2024 in quantum computational physics: four selected publications

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QCP.10 2024 paper highlights
The year 2024 in computational physics: four selected publications (arXiv:2309.02863, arXiv:2409.13025, arXiv:2408.13687, arXiv:2312.03982)
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January 29, 2025 at 8:40 AM
Lecture 9:

Error thresholds: combinatorial decoders (MWPM, union find), coherent information, stat-mech perspective

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QCP.09 Error thresholds
Error thresholds, optimal decoder, coherent information, stat mech perspective
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January 29, 2025 at 8:40 AM
Lecture 8:

Quantum error correction: stabilizer formalism, toric code, decoders

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QCP.08 Quantum error correction
Stabilizer formalism, quantum error correction (toric code), decoders
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January 29, 2025 at 8:40 AM
Lecture 7:

Quantum memory: toric code, rotated surface code, repetition code

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QCP.07 Quantum memory
Quantum memory: topological order, logical qubits, rotated surface code, quantum error correction, repetition code
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January 29, 2025 at 8:40 AM
Lecture 6:

Toric code: 4-qubit joint measurements, loop gas, topology

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QCP.06 Toric code (part II) / Nishimori physics
Toric code: topological invariants, long-range entanglement, Hamiltonian perspective, quantum phase transitions
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January 29, 2025 at 8:40 AM
Lecture 5:

Nishimori physics and GHZ state preparation

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QCP.05 Nishimori physics / toric code (part I)
Nishimori physics and GHZ state preparation Toric code: 4-qubit joint measurements, loop gas, topology
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January 29, 2025 at 8:40 AM
Lecture 4:

Weak measurements: imaginary-time evolution, weak parity checks, stability of (GHZ) state preparation, Nishimori physics

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QCP.04 Weak measurements
Computational Quantum Physics / Lecture 04 Weak measurements: imaginary-time evolution, weak parity checks, stability of (GHZ) state preparation, Nishimori physics
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January 29, 2025 at 8:40 AM
Lecture 3:

Quantum measurements: Born's rule, single-qubit measurements, parity checks (joint measurements), GHZ state preparation

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QCP.03 Quantum measurements
Quantum Computational Physics / Lecture 03 Quantum measurements: Born's rule, single-qubit measurements, parity checks (joint measurements), GHZ state preparation
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January 29, 2025 at 8:40 AM
Lecture 2:

Quantum circuits: qubits, unitary single-qubit gates, two-qubit gates, universal vs. Clifford quantum circuits

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QCP.02 Quantum circuits
Quantum Computational Physics / Lecture 02 Quantum circuits: qubits, unitary single-qubit gates, two-qubit gates, universal vs. Clifford quantum circuits
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January 29, 2025 at 8:40 AM
Lecture 1:

The dawn of quantum computing (1980-2000), building a quantum computer, overview of qubit platforms and quantum algorithms

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QCP.01 Introduction
Quantum Computational Physics / Lecture 01 Introduction: The dawn of quantum computing (1980-2000), building a quantum computer, overview of qubit platforms and…
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January 29, 2025 at 8:40 AM
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November 21, 2024 at 8:12 PM