Employment History:
Professor (08/12 - present)
Associate Professor (08/07 - 08/12)
Assistant Professor (08/01 - 08/07)
Postdoctoral Fellow at Stanford University (3/99 - 7/01)
Postdoctoral Fellow at Northwestern University (9/97 - 2/99)

Adjunct Professor at Dept. of  Physics, Pusan National University, Korea (2014 - 2016)
Visiting Professor at Tokyo Institute of Technology in 2014
Visiting Professor at KAIST in 2014

Synergetic Activities:
President of Association of Korean Physicists in America (AKPA) (2021 - 2023)
President of Gainseville Chapter of KSEA (2013  - 2016)
Chair of Undergraduate Curriculum Committee (2009 - 2013)
Physics Undergraduate Coordinator (2009 - 2013)
Director of CCMS (2007 - 2009)
SPS Faculty Advisor (2003 - 2007)
Director of Microkelvin Laboratory (2004 - 2007)

Awards and Honors:
University Term Professor (2018-2021)
Colonel Allan R. and Margaret G. Crow Term Professor (2014 - 2015)
APS Fellow since 2013
Fellow of Japan Society for the Promotion of Science in 2013
CLAS Advisor of the year in 2006
Alfred P. Sloan Research Fellowship (2004 -2006)
Physics Teacher of the year in 2004
NSF Career Award in 2003
AKPA President's Awards for Outstanding Young Researcher in 2002

Grants:
NHMFL IHRP Grant in 2003 - 2004 (PI)
NSF Career Award in 2003 - 2008 (PI)
NSF DMR Grant in 2008 - 2012 (PI)
NSF ARRA Grant in 2010 - 2013 (Co-PI)
NSF DMR Grant in 2012 - 2017 (PI)
NSF DMR Grant in 2018 - 2021 (PI)
NSF Workshop Grant in 2017 - 2018 (PI)
NSF Workshop Grant in 2022 - 2025 (Co-PI)
MIST Center Grant 2018-2019 (Co-PI)

Selected Publications:

C.S. Barquist, et. al., "Phase noise in a Duffing oscillator induced by quantum turbulence", Phys. Rev. B 106, 094502 (2022).

C.S. Barquist, et. al., "Determining the source of phase noise: Response of driven DDuffing oscillator to low frequency damping and resonance frequency fluctuations", Physica D 427, 132999 (2021).

C.S. Barquist, et. al., "Damping of a microelectromechanical oscillator in turbulent superfluid 4He: A probe of quantized vorticity in the ultralow temperature regime", Phys. Rev. B 101, 174513 (2020).

Y. Lee and W.P. Halperin., "Recent Progresses and  New Challenges in Quantum Fluids and Solids",  JLTP 189, 1-14  (2017).  Review Article

P. Zheng et al., " Anomalous Resonance Frequency Shift of a Microelectromechanical Oscillator in Superfluid 3He-B",  JLTP 187, 309-323  (2017). 

P. Zheng et al., "Critical Velocity in the Presence of Surface Bound States in Superfluid 3He-B", Phys. Rev. Lett. 118, 065301 (2017). 

P. Zheng et al., "Anomalous Damping of a Micro-electro-mechanical Oscillator in Superfluid 3He-B",  Phys. Rev. Lett. 111, 195301 (2016)..

M. Gonzalez et al., "Temperature Dependence of Viscosity in Normal Fluid 3He below 800  mK Determined by a Micro-electro-mechanical Oscillator", Phys. Rev. B 94, 014505 (2016). 

Y. Lee and R. Haley ., "Superfluid Helium Three in Aerogel: Experiment", (Review) CH. 5 in Novel Superfluids ed. by Bennaman and Ketterson (Oxford University Press, 2013) .

M. Gonzalez et al., "Comb-drive MEMS Oscillators for Low Temperature Experiments", Rev. Sci. Instr. 84, 025003 (2013).

M. Gonzalez et al., "Unusual Behavior of a MEMS Resonator in Superfluid 4He", JLTP (2012).

H. Takeuchi et al., "Knudsen-hydrodynamic c rossover in l iquid 3He in high porosity aerogel ", Phys. Rev. Lett. 108, 225307 (2012).

P. Bhupathi et al., "Optical birefringence in uniaxially compressed aerogels ", New J Phys. 12, 103016 (2010).

B.H. Moon et al., " Frequency-dependent Ultrasound Attenuation in Superfluid 3He in Aerogel ", Phys. Rev. B 82, 060501(R) (2010). Editors' Suggestion

B.H. Moon et al., " Ultrasound attenuation and a P-B-T phase diagram of superfluid 3He in 98% aerogel", Phys. Rev. B 81, 134526 (2010).

S. Nutella et al., "Magnetic field induced quantum phase transition of the S = 1/2 antiferromagnet K2NaCrO8 ", Phys. Rev. B 81, 064431 (2010).

P. Bhupathi et al., "Aerogel Waveplates", Optics Express 17, 10599 (2009).

H.C. Choi et al., "Ultrasound Attenuation of Superfluid 3He in Aerogel", Phys. Rev. Lett. 98, 225301 (2007).

C. L. Vicente, H. C. Choi, J. S. Xia,  W. P. Halperin, N. Mulders, and Y. Lee,"The A-B Transition of Superfluid 3He in Aerogel and the Effect of Anisotropic Scattering", Phys. Rev. B 72, 094519 (2005).

H. C. Choi, A. J. Gray, C. L. Vicente, J. S. Xia, G. Gervais, W. P. Halperin, N. Mulders, and Y. Lee, "Effect of Strong Magnetic Field on Superfluid 3He in 98% Porosity Aerogel", J. Low Temp. Phys. 138, 207 (2005).

H.C. Choi, A.J. Gray, C.L. Vicente, J.S. Xia, G. Gervais, W.P. Halperin, N. Mulders, and Y. Lee, "The A1 and A2 Transitions in Superfluid 3He in 98% Porosity Aerogel",Phys. Rev. Lett. 93, 145302 (2004).

J.E. Baumgardner, Y. Lee, J.F. Poco, and D.D. Osheroff, " Interfacial Pinning in the Superfluid 3He A-B Transition in Aerogel ",Phys. Rev. Lett. 93, 055301 (2004) .

D.D. Osheroff, B. I. Barker, and ., Y. Lee "New Evidence for the Nature of Superfluid 3He in Silica Aerogel", in More is Different: Fifty Years of Condensed Matter Physics, ed. N.P. Ong, Priceton Press: New York (2001).

G. Gervais, R. Nomura, T.M. Haard, Y. Lee, N. Mulders, and W.P. Halperin,"Acoustics of a Dirty Fermi Liquid: 3He in Aerogel", J. Low Temp. Phys. 122, 1 (2001).

R. Nomura, G. Gervais, T.M. Haard, Y. Lee, N. Mulders, and W.P. Halperin,"High-Frequency Acoustics of 3He in Aerogel"., Phys. Rev. Lett. 85, 4325 (2000).

B.I. Barker, Y. Lee, D.D. Osheroff, L.W. Hrubesh, and J.P. Poco, "Observation of a Superfluid Helium Three A-B Phase Transition in Silica Aerogel", Phys. Rev. Lett. 85, 2148 (2000).

Y. Lee, T.M. Haard, J.A. Sauls, and W.P. Halperin, "Discovery of Acoustic Faraday Effect in 3He-B", Nature 400, 431 (1999).

D. T. Sprague, T.M. Haard, J.B. Kycia, M.R. Rand, Y. Lee, P.J. Hamot, and W.P. Halperin,"Effect of Magnetic Scattering on the 3He Superfluid State in Aerogel", Phys. Rev. Lett. 77, 4568 (1996).

Y. Lee, H.H. Hensley, J.A. Thompson, K. Murata, B.M. Hoffman, T.M. Haard, P.J. Hamot, W.P. Halperin, and P. Wölfle, "Dimensionality Crossover in the Transport Behavior of the Quasi-One Dimensional Conductor H2(pc)I", Europhys. Lett. 39(9), 681 (1996).

M.R. Rand, D.T. Sprague, T.M. Haard, J.B. Kycia, H.H. Hensley, Y. Lee, P.J. Hamot, D.M. Marks, W.P. Halperin, T. Mizusaki, and T. Ohmi, "Nonlinear Spin Dynamics and Magnetic Field Distortion of the Superfluid 3He-B Order parameter", Phys. Rev. Lett. 77, 1314 (1996).

Y. Lee, P.J. Hamot, D.T. Sprague, T.M. Haard, J.B. Kycia, M.R. Rand, M.W. Meisel, and W.P. Halperin, "High Frequency Acoustic Measurements in Liquid 3He near the Transition Temperature", J. Low Temp. Phys. 103, 265 (1996).

P.J. Hamot, Y. Lee, D.T. Sprague, T.M. Haard, J.B. Kycia, M.R. Rand, and W.P. Halperin, "First-Sound and Zero-Sound Velocity and Fermi Liquid Parameter F2s in Liquid 3He Determined by a Path-Length Modulation Technique", J. Low Temp. Phys. 99, 651 (1995).

D.T. Sprague, T.M. Haard, J.B. Kycia, M.R. Rand, Y. Lee, P.J. Hamot, and W.P. Halperin, "Homogeneous Equal-Spin Pairing Superfluid State of 3He in Aerogel", Phys. Rev. Lett. 75, 661 (1995).