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PhD Studentship - Fully Funded by STFC and Swansea University: Replica Wormholes, Semiclassical Saddles and Quantum gravity

Swansea University - Theoretical Physics

Qualification Type: PhD
Location: Swansea
Funding for: UK Students, EU Students, International Students
Funding amount: £18,622 p.a. *
Hours: Full Time, Part Time
Placed On: 8th December 2023
Closes: 14th February 2024
Reference: RS491

Funding providers: Science and Technology Facilities Council (STFC) and Swansea University's Faculty of Science and Engineering

*This scholarship covers the full cost of tuition fees and an annual stipend at UKRI rate (currently £18,622 for 2023/24).

Additional research expenses will also be available.

Subject areas: Theoretical Physics, Block Holes, Holography, Quantum Field Theory, Quantum Gravity, Quantum Information

Project start date: 

  • 1 October 2024 (Enrolment open from mid-September)

Project description: 

The problem of finding how quantum mechanics and general relativity (gravity), the two pillars of modern physics, can be unified to yield a quantum theory of gravity, has been an open problem in theoretical physics for more than seven decades. This project will employ recent breakthroughs in the resolution of Stephen Hawking’s information puzzle for Black Holes (BH), enabling us to make tangible progress in understanding very specific features of quantum gravity. Specifically, we will explore and construct so-called semiclassical replica wormhole geometries, with specific emphasis on their real time behaviour, that are central to the resolution of the BH information puzzle, and how these encode aspects of the true microscopic quantum theory of gravity. The project will employ techniques from quantum field theory (QFT), quantum information theory and from the dictionary of "holography" that relates QFTs to quantum gravity, all of which provide powerful analytical mathematical methods to attack the questions of interest. The analytical approaches will be augmented with numerical methods including, if necessary, direct numerical simulation of certain quantum statistical models (famously known as the SYK models). The project is of an interdisciplinary nature, bringing together the physics of gravity with information theory. 

Eligibility

Candidates must hold an undergraduate degree at 2.1 level or a master’s degree with a minimum overall grade at ‘Merit’ (or Non-UK equivalent as defined by Swansea University). If you are eligible to apply for the scholarship (i.e. a student who is eligible to pay the UK rate of tuition fees) but do not hold a UK degree, you can check our comparison entry requirements. Please note that you may need to provide evidence of your English Language proficiency.

English Language: IELTS 6.5 Overall (with no individual component below 6.0) or Swansea University recognised equivalent.

This scholarship is open to candidates of any nationality.

Please visit our website for more information on eligibility.

To apply, please click on the ‘Apply’ button above

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