This website is to announce academic activities of theoretical high energy physics in Beijing.

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Upcoming seminars

Zichang Huang Fudan university

2:00 pm Jan 13 (Wed)

https://zoom.com.cn/j/95080629513

Lefschetz Thimble Path Integral and its Application to Spin-Foam Model

Jan 04-10, 2021

Florian Loebbert Humboldt University of Berlin

3:00 pm Jan 06 (Wed)

https://zoom.us/j/97842384446

Integrability for Feynman Integrals

Dec 21-27, 2020

Jie-qiang Wu MIT

2:00 pm Dec 23 (Wed)

ITP South Building 6620

Peierls bracket and gravitational dressing in Jackiw-Teitelboim gravity

Matthias Wilhelm NBI

4:00 pm Dec 16 (Wed)

Zoom Link

An Operator Product Expansion for Form Factors

James Sully UBC	10 AM Dec. 7 (Monday)	BIMSA(zoom)	Gravity without Ensembles?
Si Li YMSC, Tsinghua	2:00 pm Dec 09 (Wed)	ITP South Building 6620	Homological methods in quantum field theory

Cumrun Vafa Harvard

10 AM Dec. 2 (Wednesday)

BIMSA(zoom)

The String Landscape and the Swampland

Cheng Peng KITS-UCAS

2:00 pm Dec 02 (Wed)

ITP South Building 6620

Ensemble averages, Poisson processes and Microstates

Keshav Dasgupta Mc Gill

10 AM Nov. 30 (Monday)

BIMSA(zoom)

Constructing de Sitter space in string theory

Nov 16-22, 2020

Junbao Wu TJU	2:00 pm Nov 17 (Tue)	Tencent meeting ID： 201 931 732	Loop operators in three-dimensional N=2 fishnet theories
David Kosower Saclay, France	4:00 pm Nov 18 (Wed)	Zoom Link	Lecture 3: Classical Physics from Quantum Amplitudes
David Kosower Saclay, France	4:00 pm Nov 20 (Fri)	Zoom Link	Lecture 4: Classical Physics from Quantum Amplitudes

Nov 09-15, 2020

Yutin Huang NTU	2:00 pm Nov 11 (Wed)	Zoom Link (also @ ITP 6620)	Geometry of modular bootstrap
David Kosower Saclay, France	4:00 pm Nov 11 (Wed)	Zoom Link (also @ ITP 6620)	Lecture 1: Classical Physics from Quantum Amplitudes
David Kosower Saclay, France	4:00 pm Nov 13 (Fri)	Zoom Link (also @ ITP 6620)	Lecture 2: Classical Physics from Quantum Amplitudes

Nov 02-08, 2020

Congkao Wen Queen Mary Uni. of London

3:00 pm Nov 04 (Wed)

Zoom Link ITP South Building 6620

String scattering on AdS_5 x S^5: Recursion relations and Modular invariance

Oct 26-30, 2020

Huajia Wang KITS

2:00 pm Oct 27 (Tue)

ITP South Building 6620

Saddle-points at Holographic Entanglement Transitions: Enhanced Corrections

Oct 19-25, 2020

Chen-Te Ma SCNU & UCT	9:30 am Oct 21 (Wed)	ITP South Building 6420	Accurate Study from Adaptive Perturbation Method
Bin Chen PKU	2:00 pm Oct 21 (Wed)	ITP South Building 6620	On Galilean conformal bootstrap

Oct 12-18, 2020

Bartek Czech IAS Tsinghua

2:00 pm Oct 14 (Wed), 15 (Thur)

ITP South Building 6620 (Online streaming)

Kinematic Space in AdS3/CFT2: How Bulk Lengths and Boosts are Entanglement Berry Phases

Jan 13-19, 2020

Yixiong Yin	1:00 pm Mon, Jan 13	ITP South Building 6420	JC: The Complete One-loop Form Factors in Yang-Mills from Unitarity and Spinor Formalism in Six Dimensions
Yang Zhang USTC	10:00 am Tue, Jan 14	ITP South Building 6420	Frontiers in multi-loop dimensionally regularized amplitudes with high multiplicity

Jan 06-12, 2020

Multi-speakers

10:00 - 17:00 Jan 09-10, 2020

ITP South Building 6620

ITP Workshop on Fields and Strings

Dec 30-Jan 5, 2019-2020

Lei Wang ITP	1:00 pm Mon, Dec 30	ITP South Building 6420	Review on super form factors of half-BPS operators in N=4 super Yang-Mills
Yingfei Gu Harvard Univ.	1:30 pm Tue, Dec 31	ITP South Building 6420	On the relation between the magnitude and exponent of OTOCs
Pengfei Zhang Caltech	3:30 pm Tue, Dec 31	ITP South Building 6420	Branching time and Many-body chaos
Yutin Huang NTU	2:00 pm Thu, Jan 02	ITP South Building 6620	Gravitational duality transformation from double copy
Hantian Zhang Zurich Univ.	2:00 pm Fri, Jan 03	ITP South Building 6620	Rational terms at two loops

Dec 23-29, 2019

Ke Ren ITP

1:00 pm Mon, Dec 23

ITP South Building 6420

Revisit on Cohomology of Grassmannian in conformal field theory

Dec 16-22, 2019

Chi Zhang ITP

1:00 pm Mon, Dec 16

ITP South Building 6420

Two loop NMHV octagons from Qbar equations

Dec 09-15, 2019

Zhenjie Li ITP	1:00 pm Mon, Dec 09	ITP South Building 6420	Blowing up stringy integrals
Multi-Speakers	9:00 - 16:00 Dec 12-13, 2019	Lecture hall, 3rd floor JinChunYuan West building	Tsinghua Seminar on Strings and Fields 2019

Dec 02-08, 2019

Jinxuan Zhang ITP

1:00 pm Mon, Dec 02

ITP South Building 6420

Post-Newtonian(PN) equation of motion of PN sources

Nov 25-29, 2019

Yang Zhou Fudan University

2:00 pm Wed, Nov 27

ITP South Building 6420

A New Anomaly in 2D Conformal Field Theory

Nov 04-10, 2019

Hui Luo China Academy of Engineering Physics	2:00 pm Mon, Nov 04	ITP South Building 6620	Analytic Form of the Three-loop Four-gluon Scattering Amplitudes in Yang-Mills Theory
Chi-Ming Chang YMSC, Tsinghua	2:00 pm Wed, Nov 06	ITP South Building 6420	Supersymmetric Landau-Ginzburg Tensor Models

Oct 21-27, 2019

Rui Yu ITP-CAS

1:00 pm Mon, Oct 21

ITP South Building 6420

Solving the 1+1 D meson states in the ‘t Hooft model with the Hamiltonian operator approach

Sep 02-08, 2019

Chen-Te Ma South China Normal University

2:30 pm Tue, Sep 03

ITP South B. 6420

Stringy Effects at Low-Energy Limit

Aug 26-Sep 01, 2019

Jan Zaanen Leiden University

10:30 am Mon, Aug 26

ITP South B. 6620

The AdS/CFT correspondence and the quantum supremacy of matter

Aug 19-25, 2019

Albrecht Klemm Bonn University	1:30 pm Mon, Aug 19	Lecture Hall, JinChunYuan West Building	Topological String on Elliptic Calabi-Yau 3-Folds with N-sections and Modular Forms
Albrecht Klemm Bonn University	4:00 pm Tue, Aug 20	Lecture Hall, JinChunYuan West Building	Periods and Quasiperiods of Modular Forms and D-brane Masses

Aug 05-11, 2019

Fei Teng Uppsala University

2:00 pm Tue, Aug 06

ITP South B. 6620

String correlators: recursive expansion, integration-by-parts and scattering equations

July 29-Aug 04, 2019

Yu-tin Huang NTU

2:00 pm Tue, July 30

ITP South B. 6620

Rotating black holes as spinning particles

June 17-23, 2019

Mauricio Romo Tsinghua Yau center

2:30 pm Wed, Jun 19

ITP South B. (New B.) 6620

SL(N) Chern-Simons, cluster algebras and defects

June 10-16, 2019

June 03-09, 2019

Luis Apolo YMSC	12:00 pm Mon, June 3	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Holographic Entanglement Entropy
Yi Liao Nankai Univ.	3:00 pm Wed, Jun 05	ITP South B. (New B.) 6420	Effective field theory approach to lepton number violation: dimension seven operators
Sung-Soo Kim UESTC	1:30 PM Thu, June 6	Jinchunyuan West 3rd floor, Tsinghua	New developments in 5d SCFTs and 5-brane webs

May 27-June 02, 2019

Zi-Zhi Wang IASTU	12:00 pm Mon, May 27	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: On Renormalization Group Flows in Four Dimensions
C. S. Lam McGill/UBC	2:30 pm Wed, May 29	ITP South B. (New B.) 6420	Yang-Mills Theory in the CHY Formalism
Bartek Czech IASTU	1:30 PM Thu, May 30	Jinchunyuan West 3rd floor, Tsinghua	Holographic Entropy Cone with Time Dependence

May 20-26, 2019

Boyang Yu YMSC, Tsinghua	12:00 pm Mon, May 20	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Holographic Entanglement Entropy
Shuang-Yong Zhou USTC	2:30 pm Wed, May 22	ITP South B. (New B.) 6420	Positivity bounds in effective field theories
Vijay Balasubramanian University of Pennsylvania	11:00 AM Thu, May 23	Conference Hall 322 Science Building, Tsinghua	Quantum entanglement as a probe of hidden physics
Dandan Xu IASTU	1:20 PM Thu, May 23	Jinchunyuan West 3rd floor, Tsinghua	Legend of Sealed Book

May 13-19, 2019

Yuan Zhong YMSC, Tsinghua	12:00 pm Mon, May 13	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Holographic Entanglement Entropy
Dongming Gang KIAS	10:30 AM Thu, May 16	Jinchunyuan West Conference Room 1, Tsinghua	Magnetically charged Ads4 (Ads5) black hole from class R (class S) theories
Ben Heidenreich University of Massachusetts Amherst	1:30 PM Thu, May 16	Jinchunyuan West 3rd floor, Tsinghua	The Weak Gravity Conjecture and Repulsive Forces

May 6-12, 2019

Yuan Zhong YMSC, Tsinghua	12:00 pm Mon, May 6	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Holographic Entanglement Entropy
Babak Haghighat YMSC, Tsinghua	1:30 PM Thu, May 9	Jinchunyuan West 3rd floor, Tsinghua	M5 branes and theta functions

Apr 29 - May 5, 2019

Bowen Chen IASTU

12:00 pm Mon, Apr 29

Jinchunyuan West Conference Room 1, Tsinghua

Journal club: Holographic Entanglement Entropy

Apr 22-28, 2019

Yuan Zhong YMSC	12:00 pm Mon, Apr 22	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Holographic Entanglement Entropy
Chi Zhang ITP	1:00 pm Mon, Apr 22	ITP North B. (Old B.) 322	Journal club: U equations and Y system
Zhao Li IHEP	2:00 pm Wed, Apr 24	ITP South B. (New B.) 6420	Improving measurement on Higgs-gluon effective coupling
Marcus Sperling YMSC	1:30 PM Thu, Apr 25	Jinchunyuan West 3rd floor, Tsinghua	From discrete quotients of Coulomb branches to magnetic quivers

Apr 15-21, 2019

Zi-Zhi Wang IASTU	12:00 pm Mon, Apr 15	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Holographic Entanglement Entropy
Yuming Wang Nankai University	2:30 pm Wed, Apr 17	ITP South B. (New B.) 6420	QCD Aspects of Radiative Leptonic B Decays
Alejandra Castro University of Amsterdam	1:30 PM Thu, Apr 18	Jinchunyuan West 3rd floor, Tsinghua	New aspects of nAdS2/nCFT1 correspondence

Apr 08-14, 2019

Haoxin Wang Tsinghua University	12:00 pm Mon, Apr 8	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Holographic Entanglement Entropy
Joonho Kim KIAS	10:30 AM Thu, Apr 11	Jinchunyuan West 3rd floor, Tsinghua	Cardy Formula of 4d N=1 SCFT
Feng Feng China University of Mining and Technology	2:00 pm Thu, Apr 11	ITP South B. (New B.) 6420	Numerical NNLO Computations in Heavy Quarkonium Process

Apr 01-07, 2019

Wenxin Lai Peking University	12:00 pm Mon, Apr 1	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Holographic Entanglement Entropy
Song He ITP	1:00 pm Mon, Apr 01	ITP Old B. 322	Journal club: String-like integrals for canonical forms
Qiang Wen Southeast University	2:30 pm Wed, Apr 03	ITP New B. 6420	Aspects on Entanglement Contour II: the holographic picture
Xuening Bai IASTU	1:30 pm Thu, Apr 4	Jinchunyuan West 3rd floor, Tsinghua	Cosmic-ray Streaming Instability: Introduction and ab initio Simulations

Mar 25-31, 2019

Shuwei Liu (Tsinghua) & Wenxin Lai (Peking)	12:00 pm Mon, Mar 25	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Introduction to quantum information theory and selected topics
Yu-Sen An ITP	1:00 pm Mon, Mar 25	ITP Old B. 322	Journal club: Complexity in quantum field theory and its axiomatic definition
Pujian Mao Tianjin University	3:30 pm Wed, Mar 26	ITP New B. 6420	More on gravitational memory
Dan Xie Tsinghua University	2:30 pm Wed, Mar 27	ITP New B. 6420	Soft supersymmetry breaking of four dimensional superconformal field theory
Bartek Czech IASTU	3:30 pm Wed, Mar 27	Conference Hall 322 Science Building, Tsinghua	Modular Berry Connection and How Holographic Spacetimes Acquire Curvature

Mar 18-24, 2019

Shuwei Liu Tsinghua University	12:00 pm Mon, Mar 18	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: Introduction to quantum information theory and selected topics
Qiang Wen Southeast University	2:30 pm Wed, Mar 20	ITP New B. 6420	Aspects on Entanglement Contour I: in Quantum Information Theories
Junbao Wu Tianjin University	1:30 pm Thu, Mar 21	Jinchunyuan West 3rd floor, Tsinghua	Holographic Wilson Loops in AdS4/CFT3 Correspondence Revisited
Michal Heller Max Planck Institute for Gravitational Physics Potsdam (AEI)	3:30 pm Thu, Mar 21	Conference Hall 322 Science Building, Tsinghua	Circuit complexity for path integral optimization

Mar 11-17, 2019

Hongji Gao Tsinghua University	12:00 pm Mon, Mar 11	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: introduction to information theory
Song He ITP	1:30 pm Thu, Mar 14	Jinchunyuan West 3rd floor, Tsinghua	ABCD of causal diamonds, cluster associahedra and scattering amplitudes (part 2)
Jing Shu ITP	14:00 pm Fri, Mar 15	ITP New B. 6420	Journal club: Standard Model Effective Field Theory from On-shell Amplitudes

Mar 04-10, 2019

Hongji Gao Tsinghua University	12:00 pm Mon, Mar 4	Jinchunyuan West Conference Room 1, Tsinghua	Journal club: introduction to information theory
Siyi Zhou HKUST	2:00 pm Wed, Mar 06	ITP Old B. 322	Amplitudes Meet Cosmology
Yong-Ge Ma BNU	3:30 pm Wed, Mar 06	ITP New B. 6620	A Review on Loop Quantum Gravity
Song He ITP	1:30 pm Thu, Mar 7	Jinchunyuan West 3rd floor, Tsinghua	ABCD of causal diamonds, cluster associahedra and scattering amplitudes

Feb 25 - Mar 03, 2019

Robert de Mello Koch South China Normal Uni. & Uni. of the Witwatersrand	10:30 am Wed, Feb 27	ITP New B. 6420	Bi-local Holography
Dan Xie Tsinghua University	1:30 pm Thu, Feb 28	Jinchunyuan West 3rd floor, Tsinghua	W algebra and four dimensional N=2 Argyres-Douglas theory
Bartek Czech Tsinghua	2:00 pm Fri, Mar 01	ITP New B. 6420	How to glue a spacetime from entanglement wedges

Jan 18 - 24, 2019

Yunxiang Liao University of Maryland

03:30 pm Tue, Jan 19

ITP New B. 6420

Nonlinear sigma model approach to many-body quantum chaos

Jan 07 - 13, 2019

Peng Zhao ITP

01:00 pm Mon, Jan 07

ITP Old B. 322

Journal club: New Exact Results In Supersymmetric Gauge Theory

Jan 01 - 06, 2019

Jin Chen ITP	01:00 pm Wed, Jan 02	ITP Old B. 322	Journal club: 4d N=1 from 6d (1,0) SCFT compactified on a torus with flux
Zhihao Duan ENS	1:30 pm Thu, Jan 3	Jinchunyuan West 3rd floor, Tsinghua	Computing the elliptic genus of higher rank E strings from genus 0 GW invariants
Rui Yu IHEP	10:00 am Thu, Jan 03	ITP Old B. 322	Hadron structure in 1+1D QCD
Xinyu Zhang Rutgers University	02:30 pm Fri, Jan 04	ITP New B. 6420	Application of qq-characters