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Cycloatoms and high order harmonics in moderate intense laser fields

Cycloatoms and high order harmonics in moderate intense laser fields. Robert E. Wagner Sophomore Intense Laser Physics Theory Unit Illinois State University. www.phy.ilstu.edu/ILP. Support: NSF, Res. Corp., and ISU Honors Program. Relativity without super-strong lasers?. Magnetic field.

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Cycloatoms and high order harmonics in moderate intense laser fields

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  1. Cycloatoms and high order harmonics in moderate intense laser fields Robert E. Wagner Sophomore Intense Laser Physics Theory Unit Illinois State University www.phy.ilstu.edu/ILP Support: NSF, Res. Corp., and ISU Honors Program

  2. Relativity without super-strong lasers? Magnetic field Laser

  3. Maximum speed v/c for each W non- relativistic relativistic W wL R.E. Wagner, Q. Su and R. Grobe, Phys. Rev. Lett. 84, 3282 (2000).

  4. Non-relativistic Relativistic 0 75 150 y 500 x Orbits stay in phase Orbits dephase relativistically Time (in 2p/wL)

  5. Cycloatom dynamics W=wL

  6. Relativistic dephasing model relativistic (exact) dephasing model 0 75 150 500 Time replace W W + DW (V0)

  7. Steady state spatial electron distributions Fractional resonances W ≈ 1/2 wL W ≈ 1/3 wL Multiple resonances W ≈ wL W ≈ 2 wL W ≈ 3 wL P.J. Peverly, R.E. Wagner, Q.Su and R. Grobe, Las. Phys. 10, 303 ( 2000). Q. Su, R.E. Wagner, P.J. Peverly, and R. Grobe, Front. Las. Phys. p. 117-123 (Springer, 2000).

  8. Cycloatom dynamics W=1/2 wL

  9. Scattered light spectra non-relativistic relativistic R.E. Wagner, et al, PRA 60, 3233 (1999)

  10. Quantum Mechanical Cycloatoms? Liouville P. Peverly, R. Wagner, Q. Su and R. Grobe, Las Phys. 10, 303 (2000) Dirac J. Braun, Q. Su and R. Grobe, PRA 59, 604 (1999)

  11. Liouville Dirac Confirmed: Dirac Cycloatoms P. Krekora, R. Wagner, Q. Su and R. Grobe, PRA, submitted

  12. Summary • Cycloatoms reveal new relativistic phenomena • Novel resonances => possible experiments [1] R.E. Wagner, Q. Su and R. Grobe, Phys. Rev. Lett. 84, 3282 (2000). [2] R.E. Wagner, Q. Su, and R. Grobe, Phys. Rev. A 60, 3233, 1999. [3] R.E. Wagner, P.J. Peverly, Q. Su and R. Grobe, Phys. Rev. A 61, 35402(2000). [4] P.J. Peverly, R.E. Wagner, Q.Su and R. Grobe, Las. Phys. 10, 303 ( 2000). [5] P. Krekora, R.E. Wagner, Q. Su and R. Grobe, PRA, submitted. [6] Q. Su, R.E. Wagner, P.J. Peverly, and R. Grobe, Front. Las. Phys. p. 117-123 (Springer, 2000). Undergraduate Student travel grant (DAMOP) www.phy.ilstu.edu/ILP

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