Resolution of singularities and geometric proofs of the Lojasiewicz inequalities
This preprint is available on Arxiv.org
This preprint is available for download :
- Date of publication : 31/08/17
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Samuel Kováčik – School of Theoretical Physics, DIAS
We study a black hole with a blurred mass density instead of a singular one, which is caused by the noncommutativity of three-space. Depending on its mass, such object has either none, one or two event horizons. It possesses properties, which become important on a microscopic scale, in particular, the Hawking temperature does not increase indefinitely as the mass goes to zero, but vanishes instead. Such frozen and extremely dense pieces of matter are good dark matter candidates.
Title: Quantum engineering using magnetic fields: Quantum Magnetomechanics
Speaker: Jason Twamley (Macquarie University, Sydney)
Abstract: Optomechanics – the control and manipulation of mesocopic objects towards the quantum regime, has attracted much attention. The use of light however, brings with it several problems, scattering noise being just one. In this talk we introduce a new approach to control the quantum motion of mescoscopic objects using magnetic fields. We describe our proposal to levitate and cool superconducting objects using magnetic fields and superconducting quantum circuits, how such levitated objects can be used for high precision gravimetry, specific experimental designs for ultra-strong and deep strong coupling using magnetomechanics and how one can engineer spin squeezing and spin Cats using magnetomechanics.
Time: Thursday 6th July 2017, 2.30pm.
Place: Seminar Room, School of Celtic Studies, DIAS, 10 Burlington Road, Dublin 4.
An inter-disciplinary research forum has been scheduled for Wednesday 17 May 2017, 3-5pm at Burlington Road. The forum is intended to be an informal event that provides post-doctoral scholars and PhD students with the opportunity to share and discuss their current research with scholars and staff from across the three schools of DIAS.
There will be no main speakers at the event. Instead, participants will be assigned a space where they can share and discuss their research interests. Participants are encouraged to present a poster which visually complements their research, and allows them to explain what they do to all DIAS staff. In instances where a poster presentation is not appropriate, participants should feel free to develop an alternative approach.
The forum presents a great opportunity for scholars to sharpen their academic presentation and public outreach skills in an informal setting, while also getting to know colleagues from across the Institute.
The organisers strongly encourage scholars from all three schools to participate in the forum. A coordinator from each section will liaise with participants regarding their presentations.
Participants are asked to register here prior to Friday 12 May.
Celtic Studies - Eibhlín Nic Dhonncha firstname.lastname@example.org
CP, Astrophysics - Eileen Flood email@example.com & Anne Grace firstname.lastname@example.org
CP, Geophysics - Clare Horan email@example.com
Theoretical Physics - George Rogers firstname.lastname@example.org
Please contact your section coordinator with any queries.
All DIAS staff are welcome to attend.