Lehigh University

Department of Physics

16 Memorial Drive, East
Bethlehem, PA 18015
(610) 758-3931
(610) 758-5730 (fax)

http://www.physics.lehigh.edu

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General Information

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Research Specialties and Staff

Research Specialties and Staff

Lehigh University

Specialties for Degree Program

Research specialty Degree type
PhD
(Theoretical/Experimental)
Master's
(Final degree/Enroute to PhD)
Accelerator Experimental Both
Astronomy Both Both
Astrophysics Both Both
Atomic, Molecular, & Optical Physics Both Both
Biophysics Both Both
Condensed Matter Physics Both Both
Cosmology & String Theory Theoretical Both
Energy Sources & Environment Experimental Both
High Energy Physics Both Both
Nano Science and Technology Both Both
Optics Both Both
Plasma and Fusion Both Both
Polymer Physics/Science Experimental Both
Statistical & Thermal Physics Both Both

Departmental Research and Staff

THEORETICAL

Astrophysics

Ultraviolet spectroscopy and gas dynamics of interacting binary systems; orbits of binary stars; N-body dynamics.
Gary DeLeo, George McCluskey

Atomic, Molecular, & Optical Physics

Charge exchange collisions; fine-structure changing collisions; optical processes in gases; molecular hyperfine spectroscopy.
A. Hickman

Biophysics

Physical and engineering principles involved in the assembly of actin proteins into filaments and larger scale structures. Statistical mechanics and soft matter physics applied to actin protein assemblies and the emergent collective properties Equilibrium and nonequilibrium properties of protein phase transitions.
James Gunton, Dimitrius Vavylonis

Condensed Matter Physics

Electronic and vibrational properties of defects in semiconductors and insulators.
W. Fowler, James Gunton, Jeffrey Rickman

Cosmology & String Theory

Quantum field theory and string theory, and their applications to theoretical cosmology, quantum gravity, particle theory, and strongly coupled gauge theories.
Sera Cremonini

High Energy Physics

Fundamental aspects and phenomenological applications of string theory, gravitational descriptions of quantum field theory, gauge/string dualities.
Sera Cremonini

Nano Science and Technology

Quantum mechanics of one-dimensional systems; many-body effects in carbon nanotubes; physics of nanotube/nanowire devices; electron transport in molecular systems; modeling of interactions between nano and biological systems.
Slava Rotkin

Plasma and Fusion

Integrated modeling codes developed and used to predict temperature, momentum, and density profiles in magnetically confined controlled fusion plasma experiments; theoretically derived physics models used in these codes and detailed comparisons between simulations and experimental data to understand the physics of transport and confinement in plasmas. There are active collaborations with theory and experimental groups, both nationally and internationally.
Arnold Kritz

Statistical & Thermal Physics

Pattern formation in nonlinear, nonequilibrium systems; kinetics of first-order phase transitions focusing on crystallization of globular proteins; cell-cell communication via calcium oscillations.
James Gunton

EXPERIMENTAL

Accelerator

Use of the Solenoidal Tracker (STAR) detector at the Relativistic Heavy Ion Collider (RHIC), A Large Ion Collider Experiment (ALICE) at the Large Hadron Collider (LHC), and other accelerator experiments to understand quark gluon plasmas.
Rosi Reed

Astronomy

Observational studies to understand the formation and evolution of stars: young open clusters, binary stars, X-ray binaries and pulsars, the formation of disks in Be stars, and the origin of magnetic fields in massive stars. Lehigh has a significant amount of telescope access as a partner in the SMARTS Consortium (McSwain). Theoretical modeling for the discovery of transiting exoplanets. Operation of the KELT small-telescope transit survey. Variable- and eclipsing-binary star studies, and large astronomical surveys and developments in the field of astroinformatics (Pepper).
M. McSwain, Joshua Pepper

Atomic, Molecular, & Optical Physics

Collisional processes in atomic vapors including excitation transfer and “energy pooling” line-broadening, quenching, diffusion, resonance exchange, and velocity-changing collisions; molecular spectroscopy of bound singlet and triplet states of alkali diatomics, photodissociation, predissociation, and bound-free emission. Investigation of strongly correlated quantum systems using quantum optics and cold-atom experiments.
John Huennekens, Yong Kim, Ariel Sommer

Biophysics

Application of optical imaging, trapping, and manipulation for cell mechanics studies (Ou-Yang). Use of nanomaterials for optical imaging of cells; carbon nanotube nanotoxicity (Rotkin). A combination of fluorescence microscopy, lipid physical chemistry, and fluid mechanics is used to investigate the mechanical principles underlying the response of living cells to fluid flow (Honerkamp-Smith).
Aurelia Honerkamp-Smith, H. Ou-Yang, Slava Rotkin

Condensed Matter Physics

Charge transport in insulators and semiconductors; nonlinear optical spectroscopy (Biaggio); point defects in insulating materials with ferroelectric domain walls and other dopants; optical spectroscopy under application of hydrostatic pressure and magnetic fields; carrier localization in wide band gap semiconductors (Dierolf); quantum transport behavior of electrons; conduction in ultrasmall silicon MOSFETs and gallium-arsenide devices and carbon nanotubes at low temperature and high magnetic field (Licini); defects in semiconductors; defect complexes that contain light-element impurities such as H, C, O, and N; vibrational spectroscopy and uniaxial stress techniques to elucidate microscopic properties (Stavola); Raman and neutron scattering; dielectric and ultrasonic spectroscopies; collective vibrational dynamics of disordered ferroelectrics and glasses (Toulouse).
Ivan Biaggio, Volkmar Dierolf, Jerome Licini, Michael Stavola, Jean Toulouse

Fluids, Rheology

Nonlinear dynamics in fluid systems; dynamics of small particle suspensions; light scattering loss spectroscopy; instabilities of interfaces.
Yong Kim

High Energy Physics

Examination of the quark gluon plasma (QGP) created in heavy ion collisions by using particle jets and heavy flavor quarks as probes of the medium.
Rosi Reed

Nano Science and Technology

Quantum mechanical theory of carbon nanotubes; DNA nanotube hybrids; optics, optoelectronics, and electronics of nanotube devices; nanotube-organics complexes.
Slava Rotkin

Optics

Multiple orders of light-matter interactions; time-resolved spectroscopy of second- and third-order nonlinear optical effects in organic and inorganic materials; optical frequency conversion and all-optical switching (Biaggio); fiber optics; nonlinear effects in optical fibers and waveguides (Dierolf, Toulouse).
Ivan Biaggio, Volkmar Dierolf, Jean Toulouse

Plasma and Fusion

Collisional and collisionless phenomena of very dense plasmas in or near a local thermodynamic equilibrium; anomalies in radiation transport properties; lowering of ionization potentials in dense plasmas; laser-produced plasmas.
Yong Kim

Polymer Physics/Science

Soft condensed matter and complex fluids.
H. Ou-Yang

Statistical & Thermal Physics

Intrinsic fluctuations in fluids under external forcing such as Brownian motion; chaotic transitions; light scattering from fractals; 1/f-dynamics of granular avalanches.
Yong Kim

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