Particle Physics Seminar, Matthew Dolan, SLAC, "Measuring the Higgs Self-Coupling at the LHC”

Fri, Dec 19, 2014, 4:00 pm – 5:30 pm

The measurement of the Higgs trilinear self-coupling is an important part of the LHC Higgs program at 14 TeV, which directly interrogates the mechanism of electroweak symmetry breaking in the Standard Model. Directly probing the Higgs trilinear requires double Higgs production, and recent studies have uncovered a number of different ways this…

Particle Physics Seminar, Stefania Gori, Perimeter, "Illuminating Dark Photons with High-Energy Colliders"

Fri, Dec 12, 2014, 4:00 pm – 5:00 pm

The LHC and future high-energy colliders offer a unique sensitivity to dark photons (ZD), the mediators of a broken dark U(1) gauge theory that kinetically mixes with the Standard Model hypercharge. In this seminar, we discuss the possible interplay between direct searches of the dark photon arising from Drell-Yan production, and measurements of…

High Energy Theory Seminar - Mikhail Isachenkov, DESY Hamburg - "Chiral Ring of Strange Metals"

Fri, Dec 12, 2014, 1:45 pm – 2:45 pm

A candidate description for a strange metal phase in 1+1 dimensions,
namely a model of strongly-coupled fermions in the adjoint representation of
SU(N) is considered. It is known that such models at high densities flow
to IR WZNW theories having an emergent
(2,2) supersymmetry. I describe the chiral ring of such
theories and discuss its…

Special Condensed Matter Seminar, Donna Sheng, Cal State U., "Chiral spin liquid and quantum phase diagram for extended Kagome Heisenberg model”

Wed, Dec 10, 2014, 1:30 pm – 2:30 pm

The kagome spin-1/2 model with dominant nearest neighboring (J1) antiferromagnetic coupling
had been proposed to host an exotic gapped Z2 spin liquid based on density matrix renormalization group study. Here we report a new finding that small perturbations from the second (J2) and third neighboring (J3) exchange couplings will lead to a…

Math Physics Seminar, Ivan Corwin, Columbia, "Stochastic higher spin vertex models on the line"

Tue, Dec 9, 2014, 4:30 pm – 6:00 pm

We show how transfer matrices of higher spin vertex models (generalizing the six-vertex model) can be conjugated into stochastic matrices describing interacting particle systems. Bethe ansatz produces eigenfunctions and we prove their completeness on the line. This, along with a self duality of the transfer matrices, provides a means to study the…

High Energy Theory Seminar- IAS - Frederik Denef, Columbia University, TBA

Mon, Dec 8, 2014, 2:30 pm – 3:30 pm

Condensed Matter Seminar, Nicolas Regnault, Princeton University,"Matrix Product States and the Fractional Quantum Hall Effect"

Mon, Dec 8, 2014, 1:15 pm – 2:30 pm

: The understanding and simulation of quantum many-body states in one space dimension has experienced revolutionary progress with the advent of the density matrix renormalization group. In modern language, this method can be viewed as a variational optimization over the set of matrix product states (MPS). Due to their perimeter law entanglement,…

Particle Physics Seminar, Kiel Howe, Stanford, "Maximally Natural Supersymmetry and its Natural New Signatures"

Fri, Dec 5, 2014, 4:00 pm – 5:30 pm

Supersymmetric models with SUSY breaking by boundary conditions in a flat TeV-scale extra dimension avoid many of the problems of conventional MSSM-like models. A natural spectrum is easily realized by locality in the TeV sized direction, and the electroweak scale remains completely natural with stops and other superpartners above current LHC…

High Energy Theory Seminar- IAS - Matthew Bullimore, IAS - “TBA”

Fri, Dec 5, 2014, 1:45 pm – 3:00 pm

Gravity Group Lunch Seminar, Aurelien Fraisse, "Planck 2014 Results: Highlights & Outlook"

Fri, Dec 5, 2014, 12:00 pm – 1:30 pm

Following the Planck conference currently underway in Ferrara, Italy, I will present the main results from the Planck 2014 paper and data release scheduled for December 22nd.

http://www.princeton.edu/cosmology/gravity-group-seminar/

Hamilton Colloquium Series - Yifang Wang, Institute of High Energy Physics (Beijing): "Daya Bay neutrino experiment and the future"

Thu, Dec 4, 2014, 4:30 pm – 6:00 pm

Recently reactor neutrino experiments have made important contributions to the neutrino oscillation. I will introduce the Daya Bay experiment which observed for the first time the neutrino mixing angle θ13 with a statistical significance of 5.2 σ. The concept of the experiment, the detector construction and data analysis will be described. The…

Using colloids to probe the physics of atomic systems:From the deformation of crystals to the formation of glasses - Shreyas Gokhale

Thu, Dec 4, 2014, 2:00 pm – 3:30 pm

Over the last fifteen years or so, suspensions of micron-sized colloidal particles have emerged as promising model systems to explore diverse atomistic phenomena ranging from dislocation dynamics in crystals to shear transformation zones in glasses. The large size and slow dynamics of colloidal particles makes it possible to visualize their…

Informal High Energy Theory Seminar- Yifang Wang, Institute of HEP, Chinese Academy of Sciences - “Future Circular Colliders”

Wed, Dec 3, 2014, 4:00 pm – 5:00 pm

High Energy Theory Seminar- Misha Smolkin, U. of CA, Berkeley - "Entanglement in Quantum Field Theory"

Tue, Dec 2, 2014, 2:30 pm – 3:30 pm

The first law of entanglement have received a considerable attention during last year. In my talk I will focus on its applications in the context of QFT and argue that certain calculations can be extended beyond the range of applicability of the first law. A number of simple examples will be presented. The talk will culminate with a detailed…

High Energy Theory Seminar- Clay Cordova, Harvard, "Deformations of Superconformal Field Theories"

Mon, Dec 1, 2014, 2:30 pm – 3:30 pm

Relevant, and marginal deformations play a crucial role in studying conformal field theories. In this talk I will classify such deformations for supersymmetric conformal field theories.

Condensed Matter Seminar, James Analytis, Berkeley, "Magnetoresistance near a quantum critical point?

Mon, Dec 1, 2014, 1:15 pm – 2:30 pm

The physics of quantum critical phase transitions connects to some of the most difficult problems in condensed matter physics, including metal-insulator transitions, frustrated magnetism and high temperature superconductivity. Near a quantum critical point (QCP) a new kind of metal emerges, whose thermodynamic and transport properties do not fit…

Biophysics Seminar, Terry Hwa, UCSD

Mon, Dec 1, 2014, 12:00 pm – 1:00 pm

“A quantitative phenomenological approach towards predictive biology”

Lunch at 11:45, seminar is from 12-1:00.

Lunch at 11:45, seminar is from 12-1:00.

Informal High Energy Theory Seminar- IAS - Daniele Galloni, University of Durham - “Anatomy of the Amplituhedron”

Tue, Nov 25, 2014, 1:30 pm – 2:30 pm

High Energy Theory Seminar- IAS - Joao Gomes, “Quantum Supergravity and Exact Holography”

Mon, Nov 24, 2014, 2:30 pm – 3:30 pm

I will present recent results on the computation of finite N corrections in supergravity in the context of AdS2/CFT1 and AdS4/ABJM holography. I will show how to use localisation in supergravity to compute all perturbative and nonperturbative charge corrections to the entropy of supersymmetric black holes including complicated number theoretic…

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