Physics
A low-noise ferrite magnetic shield. T. W. Kornack, S. J. Smullin, S.-K. Lee, and M. V. Romalis. Applied Physics Letters 90, 223501 (2007). Kornack,%20Smullin,%20Lee,%20Romalis%20-%20A%20low%20noise%20ferrite%20magnetic%20shield.pdf A SERF atomic magnetometer achieves unprecedented single-channel sensitivity using a ferrite shield to reduce magnetic noise.
Physics
Nuclear Spin Gyroscope Based on an Atomic Co-magnetometer. T. W. Kornack, R. K. Ghosh, and M. V. Romalis. Physical Review Letters 95, 230801 (2005). Kornack,%20Ghosh%20and%20Romalis%20-%20Nuclear%20Spin%20Gyroscope%20Based%20on%20an%20Atomic%20Comagnetometer.pdf We describe a compact gyroscope using an atomic co-magnetometer that has sensitivity rivaling existing compact gyroscopes.
Physics
A Test of CPT and Lorentz Symmetry Using a K–<sup>3</sup>He Co-magnetomter Dissertation, Department of Astrophysical Sciences, Princeton University (November 2005). Kornack%20Thesis%20-%20A%20Test%20of%20CPT%20and%20Lorentz%20Symmetry%20Using%20a%20K-3He%20Co-magnetometer.pdf
Physics
A subfemtotesla multichannel atomic magnetometer. I. K. Kominis, T. W. Kornack, J. C. Allred and M. V. Romalis. Nature 422, 596 (2003). Kominis,%20Kornack,%20Allred,%20Romalis%20-%20A%20subfemtotesla%20multichannel%20atomic%20magnetometer.pdf We built the most sensitive magnetometer to date, limited to 500 aT/sqrt(Hz) only by magnetic noise. This improves upon the best SQUIDS by at least a factor of two in sensitivity and by a larger amount in spatial resolution.
Physics
Evaluation of possible nuclear magnetic resonance diagnostic techniques for tokamak experiments. S. J. Zweben, T. W. Kornack, D. Majeski, G. Schilling, C. H. Skinner, R. Wilson, and N. Kuzma. Review of Scientific Instruments 74(3), 1460 (2003). Zweben%2C%20et%20al%20-%20Evaluation%20of%20possible%20nuclear%20magnetic%20resonance%20diagnostic%20techniques%20for%20tokamak%20experiments.pdf NMR can conceivably be used to image density profiles in a tokamak, although it is difficult to achieve sufficient signal given estimates of the noise.
Physics
Dynamics of Two Overlapping Spin Ensembles Interacting by Spin Exchange. T. W. Kornack, M. V. Romalis. Physical Review Letters 89, 253002 (2002). Kornack%20and%20Romalis%20-%20Dynamics%20of%20Two%20Overlapping%20Spin%20Ensembles.pdf We discovered a unqiue system of Helium-3 and Potassium spins that exhibit strongly coupled dynamics.
Physics
High-Sensitivity Atomic Magnetometer Unaffected by Spin-Exchange Relaxation. J. C. Allred, R. N. Lyman, T. W. Kornack, and M. V. Romalis. Physical Review Letters 89, 130801 (2002). Allred,%20Lyman,%20Kornack,%20Romalis%20-%20High%20Sensitivity%20Atomic%20Magnetometer.pdf Here we describe the physics behind creating a spin-exchange relaxation-free atomic magnetometer.
Physics
Experimental Observation of Correlated Magnetic Reconnection and Alfvénic Ion Jets. T. W. Kornack, P.K. Sollins, and M. R. Brown. Physical Review E 58(1), R36 (1998). Kornack,%20Sollins,%20Brown%20-%20Experimental%20observation%20of%20correlated%20magnetic%20reconnection%20and%20Alfvenic%20ion%20jets.pdf We report the first observation of particles accelerated by magnetic reconnection in a laboratory plasma.
Physics
Scaling studies of spheromak formation and equlibrium. C. G. R. Geddes, T. W. Kornack, and M. R. Brown. Physics of Plasmas 5(4), 1027 (1998). Geddes,%20Kornack,%20Brown%20-%20Scaling%20studies%20of%20spheromak%20formation%20and%20equilibrium.pdf We characterize the formation and equilibrium of our spheromak plasma.
Physics
Magnetic Reconnection Studies on SSX. Honors thesis. Swarthmore College, Department of Physics and Astromony (1998). Kornack%20-%20Magnetic%20Reconnection%20Studies%20on%20SSX.pdf I made one of the first, single-shot 2D magnetic field movies of magnetic reconnection and provide some evidence of particle acceleration by magnetic reconnection.
Linguistics
On the Interpretations of Bare Plurals with Individual- and Stage-Level Predicates. Honors thesis. Swarthmore College, Department of Linguistics (1998). Kornack%20-%20On%20the%20interpretations%20of%20bare%20plurals%20with%20individual-%20and%20stage-level%20predicates.pdf I propose and exercise a model that can explain the semantic features of predicates based on their temporal specificity.
Otherwise
Yak-Grazing Steps in the Rowaling Valley, Nepal. A project for Pitzer College in Nepal. Kornack%20-%20Yak-grazing%20steps%20in%20the%20Rowaling%20Valley,%20Nepal.pdf I model grazing animals using their body geometry and correctly predict the configuration of paths that they carve into the hillsides. It may be possible to use these models to predict erosion.
Physics Presentations
A single-beam scalar atomic magnetometer T. Kornack, O. Polyakov, S. Seltzer, M. Romalis. ONR-MURI (July 2007) Kornack%20Talk%20-%20MURI%202007.pdf
Physics Presentations
A Test of CPT and Lorentz Symmetry Using a K–<sup>3</sup>He Co-magnetometer T. Kornack, Dissertation Defense Presentation, Princeton Plasma Physics Laboratory (October 2005) Kornack%20Thesis%20Defense%20Presentation.pdf
Physics Presentations
A co-magnetometer–based nuclear spin gyroscope. T. Kornack, R. Ghosh, M. Romalis. Poster. DAMOP 2005. Kornack%20Poster%20CPT%20Test%20DAMOP%202005.pdf
Physics Presentations
Operation of the K–<sup>3</sup>He Co-magnetometer T. Kornack, M. Romalis. Talk. Third Meeting on CPT and Lorentz Symmetry (August 2004). Kornack%20Talk%20CPT%20Symmetry%20Conference%202004.pdf
Physics Presentations
Progress towards testing CPT and Lorentz symmetry using a self-compensating K–<sup>3</sup>He co-magnetometer T. Kornack, T. Jackson, M. Romalis. Talk. DAMOP 2004. Kornack%20Poster%20CPT%20Test%20DAMOP%202004.pdf
Physics Presentations
Testing violation of CPT and Lorentz symmetries with a self-compensated <sup>3</sup>He–K magnetometer. T. Kornack, I. Savukov, M. Romalis. Poster. DAMOP 2003. Kornack%20Poster%20CPT%20Test%20DAMOP%202003.pdf
Physics Presentations
Self-compensated <sup>3</sup>He–K magnetometer for CPT tests T. Kornack, I. Kominis, M. Romalis, J. Allred, R. Lyman. Talk. DAMOP 2002. Kornack%20Talk%20CPT%20Violation%20DAMOP%202002.pdf
Physics Presentations
Alpha Channeling in Rotamaks T. Kornack, Student Seminar Series, 2002. Kornack%20Talk%20-%20Rotamak%20Alpha%20Channelling.pdf
Physics Presentations
You can go faster than Alfvén T. Kornack, Invited Talk, Gravity Group, Princeton University, 2002. Kornack%20Talk%20-%20Fermi%20Acceleration%20Talk%20-%20Gravity%20Group%202002.pdf
Physics Presentations
High sensitivity magnetometers for physics and medicine. T. Kornack, Invited Talk, Joe Dokes Seminar Series, 2004. Kornack%20Talk%20-%20Atomic%20Magnetometers%20for%20Physics%20and%20Medicine%20-%20Joe%20Dokes%202004.pdf