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"Like melting an entire iceberg with a hot poker" – UCL scientists explore the strange world of quantum phase transitions

Publication date:

Quantum Phase Transitions

“What a curious feeling,” says Alice in Lewis Carroll’s tale, as she shrinks to a fraction of her size, and everything around her suddenly looks totally unfamiliar. Scientists too have to get used to these curious feelings when they examine matter on tiny scales and at low temperatures: all the behaviour we are used to seeing around us is turned on its head.

New method for measuring the temperature of nanoscale objects discovered

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Temperature of nanoscale objects

Temperature measurements in our daily life are typically performed by bringing a thermometer into contact with the object to be measured. However, measuring the temperature of nanoscale objects is a much more tricky task due to their size – up to a thousand times smaller than the width of a human hair.

Harrie Massey Lecture Theatre Campaign

Publication date:

Massey LT

The UCLU are lobbying for the takeover of the Harrie Massey Lecture Theatre to turn it into a full-time performing arts centre, leaving it unavailable for teaching.

"Like melting an entire iceberg with a hot poker" – UCL scientists explore the strange world of quantum phase transitions

Publication date:

Understanding quantum phase transitions

“What a curious feeling,” says Alice in Lewis Carroll’s tale, as she shrinks to a fraction of her size, and everything around her suddenly looks totally unfamiliar. Scientists too have to get used to these curious feelings when they examine matter on tiny scales and at low temperatures: all the behaviour we are used to seeing around us is turned on its head.

Quantum-generated probability distributions can be hard for classical machines to recreate

Publication date:

DB_Quantum_Systems_04-2014

Editor’s Suggestion - Physical Review Letters

Hussain Anwar, Naïri Usher and Dan Browne, together with collaborators at ICFO Barcelona and University of Sydney have discovered a new way in which quantum systems may exceed the capabilities of classical computing machines. In a quantum computer, information is processed by quantum logic gates, analogues of the NAND and XOR gates which power a classical computer, but which can generate intrinsically quantum phenomena such as superposition and entanglement. A quantum computer could solve certain problems (factorising numbers, simulating the properties of a material) much faster than the best classical algorithm for these tasks.

Lecture: Prof Paul Corkum (University of Ottawa)

Publication date:

Start: May 14, 2014 4:00:00 PM
End: May 14, 2014 5:00:00 PM

Corkum Lecture - 30.06.2014

'Catching Electrons with Light'

Date: Monday 30th June

Bragg Lecture 2014: Dr Ilme Schlichting (Max Planck Institute for Medical Research)

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Start: May 14, 2014 4:00:00 PM
End: May 14, 2014 5:00:00 PM

Bragg Lecture - 12.11.2014

'X-ray Free-Electron Lasers – a bright future for crystallography'

Sir Robert Wilson Lecture 2014: Professor Max Pettini (University of Cambridge)

Publication date:

Start: May 14, 2014 4:00:00 PM
End: May 14, 2014 5:00:00 PM

Robert Wilson Lecture - 26.11.14

'Weighing the Universe with the Lightest Elements'

Date: Weds 26th November 2014

Physics Colloquium: Prof Clement Pryke (University of Minnesota)

Publication date:

Start: May 14, 2014 4:00:00 PM
End: May 14, 2014 5:00:00 PM

Pryke Colloquium - 19.6.2014

'Detection of B-mode Polarization at Degree Scales using BICEP2'

Physics Colloquium: Dr Helen Czerski (UCL)

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Start: May 14, 2014 4:00:00 PM
End: May 14, 2014 5:00:00 PM

Czerski Colloquium - 14.5.2014

'The Scaling of Reality: A Problem for both Bubble Physics and Science Media'

Physics Colloquium: Prof Jacob Bekenstein (Racah Institute of Physics)

Publication date:

Start: May 14, 2014 4:00:00 PM
End: May 14, 2014 5:00:00 PM

Bekenstein Colloquium - 11.6.2014

'Black Hole Thermodynamics - Then and Now'

Date: Weds 11th June

Physics Christmas Colloquium 2014: Professor Jonathan Tennyson (UCL)

Publication date:

Start: May 14, 2014 4:00:00 PM
End: May 14, 2014 5:00:00 PM

Tennyson Colloquium - 10.12.2014

'What are Extrasolar planets made of? Molecular line lists for hot atmospheres'

Physics Colloquium: Dr Graham Farmelo (Author of ‘Churchill’s Bomb’ & ‘The Strangest Man’)

Publication date:

Start: May 14, 2014 4:00:00 PM
End: May 14, 2014 5:00:00 PM

Farmelo Colloquium - 08.10.2014

'Churchill, his nuclear physicists and the Bomb'

Date: Weds 8th October 2014

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