Award Abstract # 0758104
Many Body Physics of Cold Atomic Gases

NSF Org: PHY
Division Of Physics
Recipient: CORNELL UNIVERSITY
Initial Amendment Date: March 4, 2008
Latest Amendment Date: April 7, 2010
Award Number: 0758104
Award Instrument: Continuing Grant
Program Manager: Richard Houghton Pratt
PHY
 Division Of Physics
MPS
 Directorate for Mathematical and Physical Sciences
Start Date: June 1, 2008
End Date: May 31, 2011 (Estimated)
Total Intended Award Amount: $270,000.00
Total Awarded Amount to Date: $270,000.00
Funds Obligated to Date: FY 2008 = $90,000.00
FY 2009 = $90,000.00

FY 2010 = $90,000.00
History of Investigator:
  • Erich Mueller (Principal Investigator)
    em256@cornell.edu
Recipient Sponsored Research Office: Cornell University
341 PINE TREE RD
ITHACA
NY  US  14850-2820
(607)255-5014
Sponsor Congressional District: 19
Primary Place of Performance: Cornell University
341 PINE TREE RD
ITHACA
NY  US  14850-2820
Primary Place of Performance
Congressional District:
19
Unique Entity Identifier (UEI): G56PUALJ3KT5
Parent UEI:
NSF Program(s): AMO Theory/Atomic, Molecular &
Primary Program Source: 01000809DB NSF RESEARCH & RELATED ACTIVIT
01000910DB NSF RESEARCH & RELATED ACTIVIT

01001011DB NSF RESEARCH & RELATED ACTIVIT
Program Reference Code(s): 0000, OTHR
Program Element Code(s): 128400
Award Agency Code: 4900
Fund Agency Code: 4900
Assistance Listing Number(s): 47.049

ABSTRACT

This proposal describes a theoretical study of important problems in the many body
physics of cold atoms and related systems. Building on previous work, the investigator
will explore several topical subjects, including (1) properties of a Fermi gas near a
Feshbach resonance; (2) spectra of atomic hydrogen on Helium surfaces and
embedded in a molecular hydrogen matrix; and (3)dynamics of tuning the interaction
strength for atoms trapped in a strong optical lattice. These projects are motivated by (i)
interest in fundamental physical properties of cold atoms, (ii) desires to use cold atoms
as a model system to understand other many body systems, and (iii) puzzles found in
ongoing experiments. Studying cold atoms has impact on many body problems in
condensed matter and nuclear physics.

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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(Showing: 1 - 10 of 28)
Stefan K. Baur, Kaden R. A. Hazzard, Erich J. Mueller "Stirring trapped atoms into fractional quantum Hall puddles" Physical Review A , v.78 , 2008 , p.061608
Natu, SS; Mueller, EJ "Spin waves in a spin-1 normal Bose gas" PHYSICAL REVIEW A , v.81 , 2010 View record at Web of Science 10.1103/PhysRevA.81.05361
Stefan S. Natu and Erich J. Mueller "Anomalous Spin segregation in a weakly interacting two-component Fermi gas" Physical Review A , v.79 , 2009 , p.051601(R) 10.1103/PhysRevA.79.051601
Rittner, ASC; Choi, W; Mueller, EJ; Reppy, JD "Absence of pressure-driven supersolid flow at low frequency" PHYSICAL REVIEW B , v.80 , 2009 View record at Web of Science 10.1103/PhysRevB.80.22451
Mueller, EJ "Generic features of the spectrum of trapped polarized fermions" PHYSICAL REVIEW A , v.78 , 2008 View record at Web of Science 10.1103/PhysRevA.78.04560
Natu, SS; Mueller, EJ "Anomalous spin segregation in a weakly interacting two-component Fermi gas" PHYSICAL REVIEW A , v.79 , 2009 View record at Web of Science 10.1103/PhysRevA.79.05160
Ann Sophie C. Rittner, Wonsuk Choi, Erich J. Mueller, and John D. Reppy "Absence of pressure-driven supersolid flow at low frequency" Physical Review B , v.80 , 2009 , p.224516 10.1103/PhysRevB.80.224516
Basu, S; Mueller, EJ "Final-state effects in the radio frequency spectrum of strongly interacting fermions" PHYSICAL REVIEW LETTERS , v.101 , 2008 View record at Web of Science 10.1103/PhysRevLett.101.06040
Basu, S; Mueller, EJ "Stability of bosonic atomic and molecular condensates near a Feshbach resonance" PHYSICAL REVIEW A , v.78 , 2008 View record at Web of Science 10.1103/PhysRevA.78.05360
Baur, SK; Basu, S; De Silva, TN; Mueller, EJ "Theory of the normal-superfluid interface in population-imbalanced Fermi gases" PHYSICAL REVIEW A , v.79 , 2009 View record at Web of Science 10.1103/PhysRevA.79.06362
Baur, SK; Hazzard, KRA; Mueller, EJ "Stirring trapped atoms into fractional quantum Hall puddles" PHYSICAL REVIEW A , v.78 , 2008 View record at Web of Science 10.1103/P
(Showing: 1 - 10 of 28)

PROJECT OUTCOMES REPORT

Disclaimer

This Project Outcomes Report for the General Public is displayed verbatim as submitted by the Principal Investigator (PI) for this award. Any opinions, findings, and conclusions or recommendations expressed in this Report are those of the PI and do not necessarily reflect the views of the National Science Foundation; NSF has not approved or endorsed its content.

In this project the principle investigator studied the theory of collective effects in ultracold gases, developing new insight into the quantum mechanics of interacting particles.  Much of the research focussed on techniques used to experimentally probe these systems.  For example, he quantified the accuracy of "time-of-flight expansion," enabling future experiments to make more precise statements about the fundamentals of quantum interactions.  Similarly, he analyzed a number of spectroscopic probes, showing how important correlations become encoded.  The principle intellectual merit of this line of research comes from learning about the basic rules that govern the world around us.  One cannot control what one does not understand.

This research project included a number of facets designed to provide broader impact.  First, at least four graduate students received extensive training as part of the project.   Second, the PI was involved in a number of important educational programs, including national efforts aimed at improving the training of middle/highschool science teachers (PhysTEC) and more general efforts to improve the education of undergraduate physics students in order to better meet national needs(SPIN-UP).  He has been part of an outreach programs aimed at a local middle school, and has found ways to help support the outreach efforts of Cornell undergraduate students.  Moreover the scientific results from this study (particularly those on pseudogaps) have the potential to broadly influence atomic, nuclear, condensed matter, and astrophysics.

 


Last Modified: 08/01/2011
Modified by: Erich J Mueller

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