Publications

2019

Levitated electromechanics: all-electrical cooling of charged nano- and micro-particles
Daniel Goldwater, Benjamin A. Stickler, Lukas Martinetz, Tracy E. Northup, Klaus Hornberger & James Millen
Quantum Science & Technology 4, 024003(2019)
arXiv

2018

Probing macroscopic quantum superpositions with nanorotors
Benjamin A. Stickler, Birthe Papendell, Stefan Kuhn, James Millen, Markus Arndt, Klaus Hornberger
New Journal of Physics 20, 122001 (2018)
Phys.org article: Proposed test of quantum superposition measures ‘quantum revivals’
arXiv

Levitated Nanoparticles for Microscopic Thermodynamics—A Review
Jan Gieseler & James Millen
Entropy 20, 326 (2018)

2017

Nanoparticle detection in an open-access silicon microcavity
Stefan Kuhn, Georg Wachter, Franz-Ferdinand Wieser, James Millen, Michael Schneider, Johannes Schalko, Ulrich Schmid, Michael Trupke, Markus Arndt
Applied Physics Letters 111, 253107 (2017)
arXiv

Optically driven ultra-stable nanomechanical rotor
Stefan Kuhn, Benjamin A. Stickler, Alon Kosloff, Fernando Patolsky, Klaus Hornberger, Markus Arndt, James Millen
Nature Communications 8, 1670 (2017)
arXiv

Viewpoint: Squeezed Environment Boosts Engine Performance
James Millen
Physics 10, 99 (2017)

Full Rotational Control of Levitated Silicon Nanorods
Stefan Kuhn, Alon Kosloff, Benjamin A. Stickler, Fernando Patolsky, Klaus Hornberger, Markus Arndt, James Millen
Optica 4, 356-360 (2017)
arXiv

Tutorial on Optomechanics
James Millen,
Proc. SPIE 10347, Optical Trapping and Optical Micromanipulation XIV, 103471E (25 September 2017);
Free recording (please cite using the details above)

2016

Nonlinear Dynamics and Strong Cavity Cooling of Levitated Nanoparticles
P. Z. G. Fonseca, E. B. Aranas, J. Millen, T. S. Monteiro, and P. F. Barker
Editor’s suggestion Phys. Rev. Lett. 117, 173602
Nature Photonics research highlight: Cooling Dynamics
arXiv

Simultaneous cooling of coupled mechanical oscillators using whispering gallery mode resonances
Ying Lia Li, James Millen, P. F. Barker
Opt. Express 24, 1392-1401 (2016)
arXiv

Perspective: Quantum Thermodynamics
James Millen & André Xuereb
New J. Phys. 18, 011002
arXiv

Rise of the Quantum Machines
James Millen & André Xuereb
Physics World, January 2016, p23-26 

Cooling and manipulation of nanoparticles in high vacuum
James Millen, Stefan Kuhn, Alon Kosloff, Fernando Patolsky, Markus Arndt
Proc. SPIE 9922, Optical Trapping and OPtical Micromanipulation XIII 99220C (2016)

2015

A living thing in two places at once? This quantum quandary test is limited
James Millen
The Guardian, 1st October 2015

Quantum cooling and squeezing of a levitating nanosphere via time-continuous measurements
Marco G Genoni, Jinglei Zhang, James Millen, Peter F Barker, Alessio Serafini
New J. Phys. 17, 073019
arXiv

Cavity Cooling a Single Charged Levitated Nanosphere
J Millen, PZG Fonseca, T Mavrogordatos, TS Monteiro, PF Barker
Editor’s suggestion Phys. Rev. Lett. 114, 123602
Physics focus story: How to Stop a Nanosphere
Nature Photonics research highlight: Cool Levitation
arXiv

2014

Nanoscale temperature measurements using non-equilibrium Brownian dynamics of a levitated nanosphere
J Millen, T Deesuwan, P Barker, J Anders
Nature Nanotechnology 9, 425–429
News & Views article: Levitating nanoparticles: Non-equilibrium nano-thermometry
arXiv

Cavity cooling a trapped nanosphere in vacuum
PF Barker, James Millen, Piergiacomo ZG Fonseca, T Mavrogordatos, TS Monteiro
Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 916403

Cooling the centre-of-mass motion of a silica microsphere
Y Lia Li, J Millen, PF Barker
Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 916404

2013

Dynamics of levitated nanospheres: towards the strong coupling regime
T S Monteiro, J Millen, G A T Pender, Florian Marquardt, D Chang, P F Barker
Journal Highlight of 2013: New J. Phys. 15 015001 (open access)

2012

Optomechanical cooling of levitated spheres with doubly resonant fields
GAT Pender, PF Barker, Florian Marquardt, James Millen, TS Monteiro
Phys. Rev. A 85, 021802
arXiv

Cooling optically trapped particles
PF Barker, J Millen, Y Lia Li, M Trivedi, TS Monteiro
Proc. SPIE 8458, Optical Trapping and Optical Micromanipulation IX, 845808