Talks

9937 - 9948 of 18073 Results

13/14 PSI - Quantum Field Theory II - Lecture 9

Francois David CEA Saclay

November 21, 2013

PIRSA:13110018
Quantum Adversary (Upper) Bound

Shelby Kimmel Massachusetts Institute of Technology (MIT)

November 20, 2013

PIRSA:13110090

Quantum Physics
Light and matter: towards macroscopic quantum systems

Jacob Taylor Office of Science and Technology Policy

November 20, 2013

PIRSA:13110060

Quantum Physics
13/14 PSI - Condensed Matter - Lecture 8

Anushya Chandran Perimeter Institute for Theoretical Physics

Roger Melko University of Waterloo

Xiao-Gang Wen Massachusetts Institute of Technology (MIT) - Department of Physics

November 20, 2013

PIRSA:13110036
13/14 PSI - Quantum Field Theory II - Lecture 8

Francois David CEA Saclay

November 20, 2013

PIRSA:13110017
General Relativity for Cosmology - Lecture 18

Achim Kempf University of Waterloo

November 19, 2013

PIRSA:13110005
The Amplitude Mode in Condensed Matter : Higgs Hunting on a Budget

Daniel Arovas University of California, San Diego

November 19, 2013

PIRSA:13110054

Condensed Matter
New Light Species and the CMB - Joint Cosmology/Particle Physics Seminar

Christopher Brust

November 19, 2013

PIRSA:13110051

High Energy Physics
13/14 PSI - Condensed Matter - Lecture 7

Anushya Chandran Perimeter Institute for Theoretical Physics

Roger Melko University of Waterloo

Xiao-Gang Wen Massachusetts Institute of Technology (MIT) - Department of Physics

November 19, 2013

PIRSA:13110035
13/14 PSI - Quantum Field Theory II - Lecture 7

Francois David CEA Saclay

November 19, 2013

PIRSA:13110016
13/14 PSI - Condensed Matter - Lecture 6

Anushya Chandran Perimeter Institute for Theoretical Physics

Roger Melko University of Waterloo

Xiao-Gang Wen Massachusetts Institute of Technology (MIT) - Department of Physics

November 18, 2013

PIRSA:13110034
13/14 PSI - Quantum Field Theory II - Lecture 6

Francois David CEA Saclay

November 18, 2013

PIRSA:13110015

13/14 PSI - Quantum Field Theory II - Lecture 9

Francois David CEA Saclay

November 21, 2013

PIRSA:13110018
Quantum Adversary (Upper) Bound

Shelby Kimmel Massachusetts Institute of Technology (MIT)

November 20, 2013

PIRSA:13110090

Quantum Physics

I discuss a technique - the quantum adversary upper bound - that uses the structure of quantum algorithms to gain insight into the quantum query complexity of Boolean functions. Using this bound, I show that there must exist an algorithm for a certain Boolean formula that uses a constant number of queries. Since the method is non-constructive, it does not give information about the form of the algorithm. After describing the technique and applying it to a class of functions, I will outline quantum algorithms that match the non-constructive bound.
Light and matter: towards macroscopic quantum systems

Jacob Taylor Office of Science and Technology Policy

November 20, 2013

PIRSA:13110060

Quantum Physics

Advances in quantum engineering and material science are enabling new approaches for building systems that behave quantum mechanically on long time scales and large length scales. I will discuss how microwave and optical technologies in particular are leading to new domains of many-body physics, both classical and quantum, using photons and phonons as the constituent particles. Furthermore, I will highlight practical consequences of these advances, including improved force and acceleration sensing, efficient signal transduction, and topologically robust photonic circuits. Finally, I will consider how such large quantum systems may help us measure and constrain theories of quantum gravity and gravity-induced decoherence.
13/14 PSI - Condensed Matter - Lecture 8

Anushya Chandran Perimeter Institute for Theoretical Physics

Roger Melko University of Waterloo

Xiao-Gang Wen Massachusetts Institute of Technology (MIT) - Department of Physics

November 20, 2013

PIRSA:13110036
13/14 PSI - Quantum Field Theory II - Lecture 8

Francois David CEA Saclay

November 20, 2013

PIRSA:13110017
General Relativity for Cosmology - Lecture 18

Achim Kempf University of Waterloo

November 19, 2013

PIRSA:13110005
The Amplitude Mode in Condensed Matter : Higgs Hunting on a Budget

Daniel Arovas University of California, San Diego

November 19, 2013

PIRSA:13110054

Condensed Matter

The amplitude mode is a ubiquitous phenomenon in systems with broken continuous symmetry and effective relativistic dynamics, and has been observed in magnets, charge density waves, cold atom systems, and superconductors. It is a simple analog of the Higgs boson of particle physics. I will discuss the properties of the amplitude mode and its somewhat surprising visibility in two-dimensional systems, recently confirmed in cold atom experiments. The behavior in the vicinity of a quantum critical point will be stressed, comparing theoretical, numerical, and experimental results.
New Light Species and the CMB - Joint Cosmology/Particle Physics Seminar

Christopher Brust

November 19, 2013

PIRSA:13110051

High Energy Physics

The effective number of neutrino species in our universe, Neff, is capable of probing the presence of new light or massless species in our universe. I will first review relevant facts about both CMB measurements of new light species and thermodynamics in the early universe. Then, I will present the effects of many models of BSM physics containing new light species on the CMB, including models containing eV-scale sterile neutrinos compatible with anomalies in neutrino experiments, and interpret the compatibility of the parameter space of these models in terms of the recent results from the Planck satellite. I will argue that the bounds on couplings obtained from the Planck measurement of the CMB are competitive with bounds coming from other areas of physics.
13/14 PSI - Condensed Matter - Lecture 7

Anushya Chandran Perimeter Institute for Theoretical Physics

Roger Melko University of Waterloo

Xiao-Gang Wen Massachusetts Institute of Technology (MIT) - Department of Physics

November 19, 2013

PIRSA:13110035
13/14 PSI - Quantum Field Theory II - Lecture 7

Francois David CEA Saclay

November 19, 2013

PIRSA:13110016
13/14 PSI - Condensed Matter - Lecture 6

Anushya Chandran Perimeter Institute for Theoretical Physics

Roger Melko University of Waterloo

Xiao-Gang Wen Massachusetts Institute of Technology (MIT) - Department of Physics

November 18, 2013

PIRSA:13110034
13/14 PSI - Quantum Field Theory II - Lecture 6

Francois David CEA Saclay

November 18, 2013

PIRSA:13110015

Title	Date	Collection	Type	Info
13/14 PSI - Quantum Field Theory II - Lecture 9	2013‑11‑21	13/14 PSI - Quantum Field Theory II	Course	View details
Quantum Adversary (Upper) Bound	2013‑11‑20	Perimeter Institute Quantum Discussions	Scientific Series	View details
Light and matter: towards macroscopic quantum systems	2013‑11‑20	Colloquium	Scientific Series	View details
13/14 PSI - Condensed Matter - Lecture 8	2013‑11‑20	13/14 PSI - Condensed Matter	Course	View details
13/14 PSI - Quantum Field Theory II - Lecture 8	2013‑11‑20	13/14 PSI - Quantum Field Theory II	Course	View details
General Relativity for Cosmology - Lecture 18	2013‑11‑19	General Relativity for Cosmology - 2013	Course	View details
The Amplitude Mode in Condensed Matter : Higgs Hunting on a Budget	2013‑11‑19	Quantum Matter	Scientific Series	View details
New Light Species and the CMB - Joint Cosmology/Particle Physics Seminar	2013‑11‑19	Particle Physics	Scientific Series	View details
13/14 PSI - Condensed Matter - Lecture 7	2013‑11‑19	13/14 PSI - Condensed Matter	Course	View details
13/14 PSI - Quantum Field Theory II - Lecture 7	2013‑11‑19	13/14 PSI - Quantum Field Theory II	Course	View details
13/14 PSI - Condensed Matter - Lecture 6	2013‑11‑18	13/14 PSI - Condensed Matter	Course	View details
13/14 PSI - Quantum Field Theory II - Lecture 6	2013‑11‑18	13/14 PSI - Quantum Field Theory II	Course	View details

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Format results

13/14 PSI - Quantum Field Theory II - Lecture 9

Quantum Adversary (Upper) Bound

Light and matter: towards macroscopic quantum systems

13/14 PSI - Condensed Matter - Lecture 8

13/14 PSI - Quantum Field Theory II - Lecture 8

General Relativity for Cosmology - Lecture 18

The Amplitude Mode in Condensed Matter : Higgs Hunting on a Budget

New Light Species and the CMB - Joint Cosmology/Particle Physics Seminar

13/14 PSI - Condensed Matter - Lecture 7

13/14 PSI - Quantum Field Theory II - Lecture 7

13/14 PSI - Condensed Matter - Lecture 6

13/14 PSI - Quantum Field Theory II - Lecture 6

13/14 PSI - Quantum Field Theory II - Lecture 9

Quantum Adversary (Upper) Bound

Light and matter: towards macroscopic quantum systems

13/14 PSI - Condensed Matter - Lecture 8

13/14 PSI - Quantum Field Theory II - Lecture 8

General Relativity for Cosmology - Lecture 18

The Amplitude Mode in Condensed Matter : Higgs Hunting on a Budget

New Light Species and the CMB - Joint Cosmology/Particle Physics Seminar

13/14 PSI - Condensed Matter - Lecture 7

13/14 PSI - Quantum Field Theory II - Lecture 7

13/14 PSI - Condensed Matter - Lecture 6

13/14 PSI - Quantum Field Theory II - Lecture 6