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The Quantum State of the Universe
Main Content
James Hartle, UCSB
 When

03 February 2014
from
4:00 PM to
5:15 PM
 Where

320 Whitmore Lab
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Seminar Database

A Light Dilaton and Suppressed Cosmological Constant without Tuning

The Emergence of SUSY in Gamma_iDeformed SYM

HEP Seminar: Cosmology, superconducting technology, and the South Pole Telescope

Random Walks in the Sky (Remembering Your Steps!)

The Quantum State of the Universe

The Classical Universes of the NoBoundary Quantum State

Eternal Inflation and Anthropic Reasoning in the Light of Quantum Cosmology

MRSEC: Structure and Property Relationships in Thermoelectric Materials and Solid Electrolytes

Ph.D. Defense: OneDimensional Fermi Gases with Rapid Interaction Control: Toward the Observation of Dicke States and Exotic Superfluid Pairing

FTheory: SoftPion Theorems for LargeScale Structure

MRSEC: Models and Phenomena of Active Particles and Materials

IGC Colloquium: Beyond the Standard Model of Cosmology

IGC Colloquium: The BardeenPetterson Effect in MHD or How Twisted Disks Straighten Out

Cosmological Constraints from NonGaussian Features in Weak Gravitational Lensing Maps

The Quantum State of the Universe

ILQG: Matter Matters in Asymptotically Safe Quantum Gravity

Some Phenomenological and Numerical Studies in Loop Quantum Cosmology

ILQG: A New Vacuum for Loop Quantum Gravity

ILQG: Quantum Group Spin Nets: Refinement Limit and Relation to Spin Foams

FTheory: Entanglement, Thermalization and QuarkGluon Plasmas

Observation of Electron Neutrino Appearance from an OffAxis Muon Neutrino Beam Utilizing the Neutrino Energy Spectrum

Ph.D. Defense: Composite Fermion Crystals in the Lowest Landau Level

ILQG: Casimir Effect on a Quantum Gravity

ILQG: Covariant Loop Quantum Gravity: Its Classical Action, Phase Space and Gauge Symmetries

ILQG: Phenomenological Consequences of Quantum Geometry in Loop Quantum Cosmology

ILQG: White Holes

ILQG: New Applications for Loop Quantum Gravity

ILQG: Lorentz Transformations from Abstract Quantum Theory: A Thought Experiment

ILQG: SL(2,C) ChernSimons Theory and Spinfoam Gravity with a Cosmological Constant

ILQG: Invariance of Connections and Measures in Loop Quantum Cosmology

FTheory: Entanglement Entropy Production in Gravitational Collapse

FTheory: Entanglement Entropy Production in Gravitational Collapse  Part II

FTheory: HighLoop Perturbative QFT from Integrability

FTheory: Quantum Fluctuations and the Small Scale Structure of Spacetime

Gravitational Waves from the Early Universe: Have They Been Seen?

Inflationary Tensor Fossils in LargeScale Structure

FTheory: Loop Quantum Cosmology with Complex Ashtekar Variables

FTheory: Aspects of Higher Spin Symmetries in Higher Dimensions

Information Loss: Why Should We Care?

Colloquium: Pinning Down the Smallest Kind of Neutrino Oscillation

FTheory: Hawking Radiation in Fluid Flows

FTheory: Canonical Effective Methods for Quantum Theories

FTheory: HigherSpin Gauge Theory, SpaceTime and Quantum Mechanics

FTheory: Invariants in HigherSpin Theory and Holography

Simplifying Amplitudes in N<4 Supergravities

FTheory: Extending the State Space of Loop Quantum Gravity

FTheory/Cosmology: How Anomalous are Cosmic Microwave Background Anomalies?

FTheory: Horizon Entropy, Entanglement and Noether Charge

ILQG: No Firewalls in Quantum Gravity

ILQG: Cosmology with Group Field Theory Condensates

ILQG: Quantum Curves

ILQG: Information Loss

ILQG: An Explicit Computation of the Evaporation of a Quantum Black Hole

ILQG: Separability and Quantum Mechanics

ILQG: Generalized GFT Condensates and Cosmology

ILQG: Rainbows from Quantum Gravity

FTheory: Entanglement and Correlations in Loop Quantum Gravity

Quantum Opportunities in Gravitational Wave Detectors

FTheory: Alternative Representations for Quantum Gravity

FTheory: PreInflationary Dynamics of Loop Quantum Cosmology: Interplay between Theory and Observations

FTheory: New Action for Simplicial Gravity: Curvature and Relation to Regge Calculus

FTheory: On Whether Supermassive Black Holes can be Explained by Primordial Black Holes

FTheory: Vacuum Polarization of Subtracted Black Holes

ILQG: Numerical Investigations of the EPRL Model

ILQG: 3D Holography

ILQG: Squeezed Spin Networks and Entanglement

ILQG: Loop Quantum Cosmology, NonGaussianity and CMB Anomalies

ILQG: Intrinsic Time in Quantum Geometrodynamics

ILQG: Developments on the Radial Gauge

ILQG: TBA

ILQG: Quantum Symmetry Reductions Based on Classical Gauge Fixings

FTheory: Squeezed Spin Network States

FTheory: Unitarily and Ultraviolet Regularity in Cosmology

Does the Einstein Equation Follow from A Maximum Entropy Principle for Vacuum Entanglement

IGC Colloquium: Understanding Spacetime Geometry, Astrophysics and Fundamental Physics from Gravitational Wave Observations

FTheory: Planning CMBs Stage 4

FTheory: Quantum Reduced Loop Gravity: Applications and Perspectives

CFT Research Jamboree

CFT Research Jamboree

ILQG: When Isolated Horizons Met Near Horizons Geometries

ILQG: Loop Quantum Gravity as an Extended TQFT

ILQG: SelfGravitating Shells in a Quantum Geometry

ILQG: Panel on Symmetry Reduction: From LQG to LQC

ILQG: How Do Quantization Ambiguities Affect the Spacetime across the Central Singularity

ILQG: Covariant Loop Quantum Gravity as a Topological Field Theory with Defects

ILQG: The Issue of Information Loss: Current Status

ILQG: Matter on Spin Foams: A Toy Model

HEP: Odd B Modes from Inflation

FTheory: Twisted SelfDuality and SO(2) ElectricMagnetic Duality for Gravity and Higher Spin Gauge Fields

FTheory: Quasilocal Mass and Isometric Embeddings

HEP: Stellar core collapse: success or failure, and future probes

FTheory: Towards the Unification of Asymptotically Safe Quantum Gravity and the Standard Model of Particle Physics

ILQG: Loop Quantum Gravity as a Topological Field Theory with Defects

FTheory: QuasiLocal Charges for Energy, Angular Momentum and Centre of Mass and Possible Applications in LQG

PUG: Dynamical Gauge Effects and Holographic Scaling of NonEquilibrium Motion in a Disordered and Dissipative Atomic Gas

Ph. D. Defense: Effects of primordial nonGaussianity in the CMB and the largescale structure

Ph.D Defense: Wetting of TwoDimensional Physically Patterned Surfaces

FTheory: The Separate Universe Approach to Soft Limits

Exploring Earth and Space with Atomic Clocks

ILQG: Quantum Gravity in the Sky: Interplay between Theory and Observation

IlQG: Propagation in Polymer Parameterized Field Theory

IlQG: CFT Degrees of Freedom from LQG Boundary Excitations

ILQG: Fusion Basis for Lattice Gauge Theory and Loop Quantum Gravity

ILQG: TBA

ILQG: Progress in Twisted Geometries and Spin Foam Transition Amplitudes

ILQG: TBA

ILQG: TBA

FTheory: From Unitary Dynamics to Statistical Mechanics in Isolated Quantum Systems

FTheory: What Can We Hope to Learn from Current and Future Gravitational Wave Observations

Ph.D. Defense: Theory of Thermodynamics and Kinetics of Benzene Adsorption on Ag(111)

FTheory: Probing Quantum Phases of Matter with Scaling Geometries

Einstein, Black Holes and Cosmic Chirps

PUG: How Light Gravitates

FTheory: Alternatives to Cosmological Inflation and Their Implications for the Spectrum of Gravitational Radiation

Special: Observational Constraints on Loop Quantum Cosmology with the Cosmic Microwave Background

IGC Colloquium: Unbiased Constraints from Biased Tracers

ILQG: LQG, Tensor Network and Holographic Entanglement Entropy

ILQG: 3D/4D Gravity as the Dimensional Reduction of a Theory of Different Forms in 6D/7D

ILQG: Physical Observers in General Relativity and Their Symmetries

ILQG: Holographic Signatures of Resolved Cosmological Singularities

ILQG: Transition Times through the Black Hole Bounce

ILQG: (3+1) LQG with Homogeneously Curved Vacuum

ILQG: Field Theoretical Aspects of Group Field Theory: Symmetries and Representations

ILQG: Simplicial Group Field Theory Models for Euclidean Quantum Gravity: Recent Developments

FTheory: Measuring the NeutronStar Equation of State from Gravitational Wave Observations

FTheory: Testing the Binary Black Hole Nature of a Compact Binary Coalescence

IGC Colloquium: Multiwavelength/Multimessenger Studies with the Fermi Gammaray Space Telescope

FTheory: Black Holes and Mergers in Theories Beyond General Relativity

FTheory: Strong Gravity in Gravitational Wave Astronomy

IGC Colloquium: Merging Compact Binaries: From White Dwarfs, Neutron Stars to Supermassive Black Holes

FTheory: Holography of Information and Causal Shadows

FTheory: Power Radiated by a Binary Black Hole System in a de Sitter Universe

FTheory: Oscillations of Rapidly Rotating Black Holes

FTheory: Locality from the Holographic Principle

Ph. D. Defense by Yuhe Zhang

PhD Defense: Novel Materials for Thin Film Electronics: Zinc Oxide and 2D Transition Metal Dichalcogenides

PhD Defense: Gravitational radiation with a positive cosmological constant

PhD Defense: Application of canonical effective methods to backgroundindependent systems

Ph. D. Defense: Optoelectronic study of topological insulators and topological insulator  magnetic insulator heterostructures

Ph.D. Defense: "A transport study of emerging phenomena in bilayer grpahene nannostructures"

PH.D. Defense"Statistical Mechanics of CoarseGraining"

FTheory: Testing the Nature of the Compact Objects Discovered by LIGO

CQG: Cosmology from Group Field Theory Condensates

Ph.D Defense: "atomic layer deposition of highk dielectrics on Germaniun and transition metal dichalcogenide"

FTheory: Inflation, Primordial Black Holes, Gravitational Waves

FTheory: Some Surprises in the Theory of Gravitational Waves

FTheory: InVacuoDispersionLike Spectral Lags in GammaRay Bursts

FTheory: Multimessenger Studies at Penn State

CQG: Relations between Loop Quantum Gravity and Loop Quantum Cosmology

Ph.D Defense: "Synthesis, Characterization and Optical Properties of Novel Carbon and other 2D Nanomaterials"

CQG: Loop Quantum f(R) Gravity and Its Cosmological Model

ILQG: Cosmological Effective Hamiltonian from Full Loop Quantum Gravity

ILQG: SU(2) Graph Invariants, Regge Actions and Polytopes

ILQG: Geometry Transition in Covariant LQG: Black to White

ILQG: Entanglement in Loop Quantum Gravity

ILQG: From Coarse Graining for Quantum Gravity to Topological Charges in Discretized Gauge Theories

ILQG: Divergences and Radiative Corrections in GFT

FTheory: And Then There Were Three©

CQG: New Boundary Variables and Quantization of Area in Quantum Gravity

LargeScale Galaxy Bias

FTheory: Primordial Black Hole Dark Matter from UV Physics

FTheory: Asymptotic Charges and Soft Theorems

GAP Seminar: On Singularity Formation in General Relativity

CQG: Special Cases of Isolated Horizons: Petrov Type D, Extremal, Foliating Spacetime

FTheory: A Cosmological Open Quantum System

FTheory: The Road to Binary Black Hole Simulations: An Overview

Ph.D Defense: "Equilibrium and NonEquilibrium Properties of StronglyInteracting Bosons in Optical Lattices"

Ph.D Defense: "Network Control and Damage Mitigation in Complex Networked Systems"

FTheory: Lorentz Invariance from Spin 2

CQG: Sachs' Free Data in Connection Variables

Special: Spin Networks on Adiabatic Quantum Computer

FTheory: The Loop Quantum Cosmology Bounce as a Kasner Transition

CQG: Light Cone Thermodynamics

CQG: Uniqueness of the Representation in Homogeneous Isotropic Loop Quantum Cosmology

FTheory: Inferring the PostMerger Gravitational Wave Emission from Binary Neutron Star Coalescences

CQG: Geometry of Gaussian Circuit Complexity

FTheory: Primordial Black Holes as Dark Matter: Constraints from Compact UltraFaint Dwarfs

FTheory: Transfer Learning in Astronomy: A New Machine Learning Paradigm

ILQG: The Unique Form of Dynamics in Loop Quantum Cosmology

HEP: Interpreting GW170817 and the Electromagnetic Counterparts as a Short GammaRay Burst

FTheory: Lessons Learned in the GravitationalWave Search for Compact Binary Coalescences

CQG: Classical Origins for Quantum Tunneling

CQG: Singularity Resolution in Loop Quantum Black Holes

FTheory: Singularity Resolution in Loop Quantum Cosmology: An Overview

FTheory: The Future of Groundbased Gravitationalwave Detectors

FTheory: Black Hole Entropy from BMS Symmetry at the Horizon

CAMP: TwoDimensional Materials under Optical Probes

FTheory: Getting the Most Out of Gravitational Wave Merger Observations

CQG: The Approach of a Black Hole to Equilibrium

FTheory: Generalized Surface Tension Bounds in Vacuum Decay

ILQG: Quantum Gravity Inside and Outside Black Holes

Eberly Family Distinguished Lecture: Probing the Universe with Gravitational Waves

FTheory: The Beginnings of Gravitational Wave Astronomy

CQG: A Link between Asymptotically Safe Quantum Gravity and the Standard Model

FTheory: Electromagnetic Duality Anomaly in Curved Spacetimes

All Seminars

Colloquia

Condensed, Atomic, and Molecular Physics Seminars

Cosmology Center Seminars

Eklund Lectures

Fundamental Theory Seminars

High Energy Physics & Astrophysics Seminars

Institute for Gravitation and the Cosmos Colloquia

International Loop Quantum Gravity Seminars

Lannin Lectures

Marker Lectures

Mueller Lectures

Special Seminars

Thesis Defenses

Whitfield Lectures