#### Quantum Spin Hall effect in graphene

The quantum spin Hall effect is a topological state of matter characterized by sustaining gapless chiral edge states together with an insulating bulk. This phase can be triggered out by applying strong magnetic fields in a graphene sample

More details | Watch now#### Superposition, Entanglement, and Raising Schrödinger’s Cat

In 1935, Erwin Schrödinger, one of the inventors of quantum mechanics, illustrated his discomfort with the theory by pointing out that its extension to the macroscopic world could lead to bizarre situations such as a cat being simultaneously alive a....

More details | Watch now#### Controlling Photons in a Box and Exploring the Quantum to Classical Boundary

The founders of quantum theory assumed in 'thought experiments' that they were manipulating isolated quantum systems, obeying the counterintuitive laws which they had just discovered. Technological advances have recently turned these virtual experi....

More details | Watch now#### The Quantum Mechanics of Light: Interference, Entanglement – and Ghosts

The early days of the quantum theory presented many dilemmas connected with interference phenomena and what we have come to call the entanglement of states. We are much better able to deal with these problems now, both in theory and experiment, but t....

More details | Watch now#### A Century of Quantum Mechanics

In October 2011 we celebrated the centenary of the Solvay conferences that played a unique and important role in the development of twentieth century physics, most notably in the quantum revolution whose birth overlapped the initiation of these meeti....

More details | Watch now#### Creating Artificial Magnetic Fields to Act on Neutral Atoms

Cold, quantum degenerate gases of neutral atoms have proved to be useful in simulating the behavior of quantum systems like electrons in solids. For example, cold atoms moving in optical lattices (periodic potentials created by interfering laser be....

More details | Watch now#### What is quantum non-locality?

In his talk Sandu will explain this quantum non-locality and present some of the uses of non-locality for quantum information and communication - strange effects such as teleportation - and will discuss the implications of non-locality for understand....

More details | Watch now#### Taming the Quanta

Devices are now reaching the realm where individual structures are made up of only a few atoms so that quantum mechanics, the theory of the very small, is playing a crucial role. The inevitable quantum fluctuations produce noise which was initially e....

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Awarded a Nobel Prize for using lasers to control and cool atoms, producing the Bose-Einstein condensation, Bill Phillips is eager to hear about new theories from young scientists like Hannah Venzl. An exciting dialogue develops between them on a boa....

More details | Watch now#### Masers and Lasers

Charles Hard Townes received the Nobel Prize for Phyiscs in 1964 'for fundamental work in the field of quantum electronics, which has led to the construction of oscillators and amplifiers based on the maser-laser principle' He was award half of the P....

More details | Watch now#### The Physics of Light

When asked how does he think about the problems of the physics of light, Glauber says that it is an off-shoot of particle physics. He says that he has mainly worked in nuclear physics, quantum electro-dynamics and the quantum theoretical version of M....

More details | Watch now#### Richard Feynman – The Douglas Robb Memorial Lectures – Part 1

A gentle lead-in to the subject, Feynman starts by discussing photons and their properties.

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