Search results from PIRSA
301 - 311 of 311 Results
Format results
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Talk
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Emergence of quantum spacetime from causal dynamical triangulations
Renate Loll Radboud Universiteit Nijmegen
PIRSA:05110012 -
An origin of light and electrons -- a unification of gauge interaction and Fermi statistics
Xiao-Gang Wen Massachusetts Institute of Technology (MIT) - Department of Physics
PIRSA:05110013 -
Error free quantum gravity
PIRSA:05110014 -
Emergent Spacetime in Noncritical String and M-Theory
Petr Horava University of California, Berkeley
PIRSA:05110015 -
Computing the universe.
Seth Lloyd Massachusetts Institute of Technology (MIT) - Center for Extreme Quantum Information Theory (xQIT)
PIRSA:05110016
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Large-scale structure from the Sloan Digital Sky Survey
Alexander Vilenkin Tufts University
PIRSA:05100037 -
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Limits on non-gaussianities from WMAP data
Paolo Creminelli The Abdus Salam International Centre for Theoretical Physics (ICTP)
PIRSA:05100040 -
Cosmological Model Selection and the Inflationary Cosmology
Andrew Liddle University of Lisbon
PIRSA:05100041 -
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String Pair Production in a Time-Dependent Gravitational Field
Daniel Wesley University of Pennsylvania
PIRSA:05100045
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Introduction to and Historical Overview of Quantum Logics
Alexander Wilce Susquehanna University
PIRSA:05070090 -
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Dynamic Quantum Logic 3
PIRSA:05070096 -
Introduction to logics as type theories for quantum processes
Samson Abramsky University of Oxford
PIRSA:05070099 -
Preparation contextuality in its myriad forms
Robert Spekkens Perimeter Institute for Theoretical Physics
PIRSA:05070100 -
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Complex Manifolds
PIRSA:05060071 -
Twistor String Theory and Perturbative Yang-Mills 1
Freddy Cachazo Perimeter Institute for Theoretical Physics
PIRSA:05060072 -
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Twistor String Theory and Perturbative Yang-Mills 2
Freddy Cachazo Perimeter Institute for Theoretical Physics
PIRSA:05060074 -
Complex Manifolds
PIRSA:05060075 -
Perturbative String Theory
PIRSA:05060076 -
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Constraints on String Scale and Coupling from Non-Gaussianity
Anupam Mazumdar University of Groningen
PIRSA:05040048 -
Cosmological Effective Actions Imply New Physics in the CMB
PIRSA:05040049 -
LIGO: Astronomical Observatory and Physics Playground
PIRSA:05040050 -
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Modular Cosmology
PIRSA:05040052 -
Panel on Precision Cosmology
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Subha Majumdar Tata Institute of Fundamental Research (TIFR)
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Jon Sievers McGill University - Department of Physics
PIRSA:05040053
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Comments on Spectrum-generating Symmetries for D-branes
PIRSA:05030124 -
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D3/D7-Brane Inflation and Semilocal Cosmic Strings
PIRSA:05030127 -
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On Moduli Stabilisation in Calabi-Yau Flux Compactifications
PIRSA:05030131
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Dummettian Sense
PIRSA:05030084 -
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Is There More to Visual Representation than Deception?
PIRSA:05030086 -
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Interpretations of Probability in Quantum Mechanics
PIRSA:05030088 -
Keynote Address: Relationalism in Physics and Cosmology
Lee Smolin Perimeter Institute for Theoretical Physics
PIRSA:05030089 -
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The Genetic Fallacy
PIRSA:05030091
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Motives and Strings. (no audio)
PIRSA:04110015 -
Generalized Kahler geometry and T-duality (no audio)
Marco Gualtieri University of Toronto
PIRSA:04110016 -
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T-duality for holomorphic non-commutative tori
PIRSA:04110018 -
Affine structures, mirror symmetry, and K3 surfaces
PIRSA:04110019 -
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About Semi-Classical Quantum Gravity
Alejandro Corichi National Autonomous University of Mexico
PIRSA:04100019 -
Physical Ramifications of Quantum Geometry
John Baez University of California, Riverside
PIRSA:04100020 -
The Problem of Dynamics in Quantum Gravity
John Baez University of California, Riverside
PIRSA:04100021 -
Is a past finite order the inner basis of space-time?
Rafael Sorkin Perimeter Institute for Theoretical Physics
PIRSA:04100022 -
Statistical Aspects of Semi-Classical Quantum Gravity
Luca Bombelli University of Mississippi
PIRSA:04100023 -
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Coarse Graining in Loop Quantization
Jose Zapata National Autonomous University of Mexico
PIRSA:04100025 -
CACTUS as a Collaborative Tool for Discrete Quantum Gravity
David Rideout University of California, San Diego
PIRSA:04100026
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On the notion of Superselection Rule (SSR)
Domenico Giulini Leibniz University Hannover
PIRSA:04070000 -
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Quantizing and Dequantizing Reference Frames
Robert Spekkens Perimeter Institute for Theoretical Physics
PIRSA:04070002 -
Quantum Reference Frames and Uncertainty
PIRSA:04070003 -
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On Alignment of Chiralities of Distant Frameworks
PIRSA:04070007
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Emergence of Spacetime Workshop - 2005
Workshop on Emergence of Spacetime -
Cosmological Frontiers Conference - 2005
Cosmological Frontiers Conference - October 2005 -
Quantum Information, Computation and Logic: Exploring New Connections - 2005
Both quantum logic (QL) and quantum information (QI) are based on viewing quantum mechanics in terms of concepts closely tied to information, so QL, should be closely connected to QI. On the whole, these two research fields are pursued by separate communities and so a closer collaboration is likely to yield significant insights into both. While taking a broad view of both fields, the workshop will focus on areas that we feel are most likely to spark significant collaboration and new research initiatives. -
Summer School: Strings, Gravity & Cosmology - 2005
This will be the third in an ongoing series of annual summer schools in theoretical physics held in Canada. The first and second editions of these schools will be held at the University of British Columbia. These schools are intended to educate graduate students and young researchers on current developments in string theory and its interface with gravity and cosmology. Our intent in organizing the 2005 school at the Perimeter Institute at this time is that it will also offer the students the opportunity to attend the Strings 2005 conference, which will be held in Toronto in the week immediately following the school. -
Perimeter/UofT/CITA Mini-Workshop - 2005
This mini-workshop will be the next of an ongoing series of one-day meetings between researchers at Perimeter, CITA and University of Toronto. These meetings are held to share new ideas and encourage interactions in our common fields of interest: superstrings, cosmology, particle theory and quantum gravity. -
Thematic Program on The Geometry of String Theory 2004 - 2005: String Phenomenology
String phenomenology is an emerging research area in the rich interdisciplinary boundaries of string theory, particle physics, and cosmology. Although research in string phenomenology is motivated by physical questions, progress often comes from connections to more formal and mathematical aspects of string theory. These connections include: *How does the Standard Model of particle physics arise from string theory?: CalabiYau manifolds, G2 manifolds, brane worlds, orientfolds, intersecting Dbranes, warped compactifications, flux compactifications *Can string theory provide a realistic cosmology?: brane cosmology, tachyon condensation, string field theory, decay of unstable branes, thermodynamics of strings and branes, Hagedorn temperature, models of inflation, timedependent backgrounds *What are the experimental signatures of string theory?: brane worlds, extra dimensions, signatures of short distance physics from early universe cosmology, cosmic strings It is truly an exciting time in cosmology where experiments have produced and are continuing to yield an abundance of precision data. Similarly, collider experiments at Fermilab, SLAC and CERN, as well as precision lowenergy experiments, have the potential to make remarkable new discoveries in particle physics in the next five years. Hence string phenomenology is both a timely and exciting topic of a workshop in 2005. -
Cosmology/Strings MiniWorkshop - 2005
cosmology/strings miniworkshop kitano, easther, graesser -
2005 Waterloo PGSA Conference
2005 Waterloo PGSA Conference -
Thematic Program on The Geometry of String Theory 2004 - 2005: Mirror Symmetry
This meeting will be an international gathering of leading researchers to discuss the latest developments in our understanding of "mirror symmetry", a surprising relation that can exist between two Calabi-Yau manifolds. It happens that two such geometries may look very different, but are nevertheless equivalent when employed as hidden dimensions in string theory. Mirror symmetry has become a very powerful tool in both physics and mathematics. -
Workshop on Quantum Gravity in the Americas: Status and future directions - 2004
The goal of the workshop is to bring together Quantum Gravity researchers working in the Americas to share their approaches and results, draw connections between research efforts, develop a broader perspective on the issues, focus on outstanding problems, foster an interactive community, and set objectives for future research. This workshop is a following-up of the workshop organized in January in Mexico. -
Workshop on Reference Frames and Superselection Rules in Quantum Information Theory - 2004
Over the past five years, there has been much interest in a new kind of "unspeakable" quantum information which is to regular quantum information what a classical clock or gyroscope is to a classical message. While the latter is indifferent to the physical nature of the information carriers, the former requires the carrier to have a particular degree of freedom -- a spatial orientation in the case of a gyroscope, or a natural oscillation in the case of a clock. Systems serving this purpose are referred to generically as reference frames, and constitute a quantifiable resource in quantum information theory. They play a central role in the tasks of direction and frame alignment, phase estimation, clock synchronization, and global positioning. The community has only just begun a systematic study of how this resource can be manipulated, quantified, and used optimally in both information-processing protocols and physical parameter estimation.