Universiteit Leiden

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Vacancy

PhD candidate, Chip-based platform for exploring the interface between quantum mechanics and general relativity

Vacancy number
22-342
Function type
PhD positions
Hours (in fte)
1
External/ internal
External
Location
Leiden
Placed on
24 May 2022
Closing date
31 August 2022 64 more days to apply

Apply now

The Faculty of Science, Leiden Institute of Physics is looking for a:

PhD candidate, Chip-based platform for exploring the interface between quantum mechanics and general relativity

Vacancy number: 22-342

Project description

The project is funded by a European Research Council (ERC) Starting Grant. The project addresses one of the key challenges of modern physics: understanding the interface between quantum mechanics and general relativity. Recently, an experimental test was proposed that can directly witness the need to unify the two theories: observing quantum entanglement between objects that only interact through the gravitational field. A successful test would prove the existence of superpositions of space-time and have far-reaching implications on how we understand our world.

This project aims to develop and characterise an experimental platform that is compatible with the requirements for such a ‘entanglement through gravity’ experiment. The objectives of the research are to trap and levitate a picogram mass, cool its centre-of-mass motion to the quantum ground state, couple its motion to a controllable qubit system and, finally, produce and measure a spatial superposition of the mass.

Key responsibilities

  • Design, fabricate, test and on-chip superconducting quantum devices
  • Experimentally realize a levitation compatible setup at cryogenic temperatures.
  • Publish academic papers and present at academic conferences;
  • Communicating closely and effectively with the team members; 
  • Assist with teaching and student supervision;     
  • Complete a PhD thesis within four years (1.0 FTE).

The PhD candidate will work closely together with the PI and a postdoc, building a cryogenic measurement environment, setting up a new dilution refrigerator, designing, simulating and fabricating superconducting quantum devices, and experimentally testing, characterising and measuring them. At the same time, each candidate will carry responsibility for on one of the research goals within the project.

Selection Criteria

  • Research Master, MSc or similar in Physics or equivalent
  • Excellent command of the English language coupled with excellent communication skills;
  • Well- developed analytic and organisational skills;
  • Excellent social skills in order to be able to work in a team environment.

Research at our faculty

The Faculty of Science is a world-class faculty where staff and students work together in a dynamic international environment. It is a faculty where personal and academic development are top priorities. Our people are committed to expand fundamental knowledge by curiosity and to look beyond the borders of their own discipline; their aim is to benefit science, and to make a contribution to addressing the major societal challenges of the future.

The research carried out at the Faculty of Science is very diverse, ranging from mathematics, information science, astronomy, physics, chemistry and bio-pharmaceutical sciences to biology and environmental sciences. The research activities are organised in eight institutes. These institutes offer eight bachelor’s and twelve master’s programmes. The faculty has grown strongly in recent years and now has more than 2,300 staff and almost 5,000 students. We are located at the heart of Leiden’s Bio Science Park, one of Europe’s biggest science parks, where university and business life come together.

For more information, see www.universiteitleiden.nl/en/science  and  https://workingat.leiden.edu/

Terms and conditions 

We offer a full-time 4 year fixed-term PhD position with a flexible starting-date. Salary range from €2443,- tot €3122,-  gross per month (pay scale P in accordance with the Collective Labour Agreement for Dutch Universities).

Leiden University offers an attractive benefits package with additional holiday (8%) and end-of-year bonuses(8.3 %), training and career development and sabbatical leave. Our individual choices model gives you some freedom to assemble your own set of terms and conditions. Candidates from outside the Netherlands may be eligible for a substantial tax break.

Leiden University is strongly committed to diversity within its community and especially welcomes applications from members of underrepresented groups.

Applications

To apply for this vacancy, please send an email to Bas Hensen (bas@hensenlab.org), with ‘Application PhD’ in the subject line. Please ensure that you attach the following:

  • A short motivation (max one page) on why you would like to join our group and about your research interests.
  • A Curriculum Vitae, including information about the grades you had as an undergraduate
  • Contact details of a university teacher or previous/current supervisors who can be contacted for a reference.

Only applications received before 1st of September will be considered. The starting date of the PhD program is relatively flexible (within the year of 2022, or start of 2023).

Apply now

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