The following publications have been approved for release by NIST. The downloadable versions may differ slightly from the final, published versions.

Kevin A. Gilmore, Justin G. Bohnet, Brian C. Sawyer, Joseph W. Britton, John J. Bollinger, "Amplitude sensing below the zeropoint fluctuations with a twodimensional trappedion mechanical oscillator", Phys. Rev. Lett., 118, 263602 (2017).

Athreya Shankar, John Cooper, Justin G. Bohnet, John J. Bollinger, Murray Holland, "Steadystate spin synchronization through the collective motion of trapped ions", Phys. Rev. A 95, 033423 (2017).

Martin Gärttner, Justin G. Bohnet, Arghavan SafaviNaini, Michael L. Wall, John J. Bollinger, Ana Maria Rey, "Measuring outoftimeorder correlations and multiple quantum spectra in a trapped ion quantum magnet," Nat. Phys., 13, 781 (2016). PDF file

Justin G. Bohnet, Brian C. Sawyer, Joseph W. Britton, Michael L. Wall, Ana Maria Rey, Michael FossFeig, John J. Bollinger , "Quantum spin dynamics and entanglement generation with hundreds of trapped ions," Science 352, 1297 (2016).

Joseph W. Britton, Brian C. Sawyer, Justin G. Bohnet, Hermann Uys, Michael J. Biercuk, John J. Bollinger, "Vibrationinduced field fluctuations in a superconducting magnet," Phys. Rev. A 93, 062511 (2016).

S. B. Torrisi, J. W. Britton, J. G. Bohnet, and J. J. Bollinger, "Perpendicular laser cooling with a rotatingwall potential in a Penning trap", Phys. Rev. A 93, 043421 (2016).

Brian C. Sawyer, Justin G. Bohnet, Joseph W. Britton, John J. Bollinger, "Reversing hydrideion formation in quantuminformation experiments with Be+," Phys. Rev. A 91, 011401 (2015).

Kyle Arnold, Elnur Hajiyev, Eduardo Paez, Chern Hui Lee, Murray D. Barrett, John J. Bollinger, "Prospects for atomic clocks based on large ion crystals," Phys. Rev. A 92, 032108 (2015).

Brian C. Sawyer, Joseph W. Britton, John J. Bollinger, "Spin Dephasing as a Probe of Mode Temperature, Motional State Distributions, and Heating Rates in a 2D Ion Crystal," Phys. Rev. A 89, 033408 (2014)

Michael FossFeig, Kaden R A Hazzard, John J Bollinger, Ana Maria Rey, Charles W Clark, "Dynamical quantum correlations of Ising models on an arbitrary lattice and their resilience to decoherence," New Journal of Physics 15, 113008 (2013) PDF file

M. van den Worm, R. Paskauskas, B.C. Sawyer, J.J. Bollinger, and M. Kastner, "Relaxation timescales and decay of correlations in alongrange interacting quantum simulator," New J. Phys. 15 083007 (2013). PDF file

M. FossFeig, K.R.A. Hazzard, J.J. Bollinger, and A.M. Rey, "Nonequilibrium dynamics of arbitraryrange Ising models with decoherence: An exact analytic solution," PHYSICAL REVIEW A87, 042101 (2013).

J.J. Bollinger, J.W. Britton, and B.C. Sawyer, "Simulating Quantum Magnetism with Correlated NonNeutral Ion Plasmas," in NonNeutral Plasma Physics VIII, AIP Conf. Proc. 1521, 200209 (2013).

J.W. Britton, B.C. Sawyer, A.C. Keith, C.C.J. Wang, J.K. Freericks, H. Uys, M.J. Biercuk, and J.J. Bollinger, "Engineered twodimensional Ising interactions in a trappedion quantum simulator with hundreds of spins", Nature 484, 489 (2012).

B.C. Sawyer, J.W. Britton, A.C. Keith, C.C.J. Wang, J.K. Freericks, H. Uys, M.J. Biercuk, and J.J. Bollinger, "Spectroscopy and Thermometry of Transverse Modes in a Planar OneComponent Plasma," Phys. Rev. Lett. 108, 213003 (2012). PDF file

N. Shiga, W.M. Itano, and J.J. Bollinger, "Diamagnetic correction to the 9Be+ groundstate hyperfine constant", Phys. Rev. A 84, 012510 (2011). PDF file

M.J. Biercuk, H. Uys, J.W. Britton, A.P. VanDevender, and J.J. Bollinger, "Phasecoherent detection of an optical dipole force by Doppler velocimetry," Opt. Exp. 19, 10304 (2011).

H. Uys, M.J. Biercuk, A. VanDevender, C. Ospelkaus, D. Meiser, R. Ozeri, and J.J. Bollinger, "Decoherence due to elastic Rayleigh scattering," Physical Review Letters 105, 200401 (2010).

M.J. Biercuk, J. Britton, H. Uys, A. VanDevender, and J.J. Bollinger, " YoctoNewton force detection sensitivity using trapped ions," Nature Nanotechnology 5, 646–650 (2010).

Michael J. Biercuk, Hermann Uys, Aaron P. VanDevender, Nobuyasu Shiga, Wayne M. Itano, John J. Bollinger; "HighFidelity Quantum Control Using Ion Crystals in a Penning Trap," Quantum Info. and Comp. 9, 920949 (2009) Preprint: arXiv:0906.0398v1. PDF file

Hermann Uys, Michael J. Biercuk, John J. Bollinger; "Optimized Noise Filtration through Dynamical Decoupling," Phys. Rev. Lett. 103, 040501 (2009). Preprint: arXiv:0904.0036v2. PDF file

Michael J. Biercuk, Hermann Uys, Aaron P. VanDevender, Nobuyasu Shiga, Wayne M. Itano, John J. Bollinger; "Experimental Uhrig Dynamical Decoupling using Trapped Ions," Phys. Rev. A 79, 062324 (2009). Preprint: arXiv:0902.2957v3.

M. J. Biercuk, H. Uys, A. P. VanDevender, N. Shiga, W. M. Itano, and J.J. Bollinger, "Optimized dynamical decoupling in a model quantum memory," Nature 458, 996 (2009) and Preprint: arXiv:0812.5095v3.

J.J. Bollinger, M. J. Delaney, T. Hasegawa, and D.H.E. Dubin, "Heating Rates and Enhanced Equilibration Rates with Strongly Correlated Ions in a PenningMalmberg Trap," in NonNeutral Plasma Physics VI: Proceedings of the Workshop on NonNeutral Plasmas, Aarhus, Denmark June, 2006, ed. by M. Drewsen, U. Uggerhoj, and H. Knudsen, (AIP, New York 2006) p. 183  192.

T. Hasegawa and J. J. Bollinger, "Rotatingradiofrequency ion traps," Phys. Rev. A 72, 0434031  0434038 (2005).

T. Hasegawa, M. J. Jensen, and J. J. Bollinger, "Stability of a Penning trap with a quadrupole rotating electric field," Phys. Rev. A 71, 0234061 0234066 (2005).

M. J. Jensen, T. Hasegawa, J. J. Bollinger, and D. H. E. Dubin, "Rapid heating of a strongly coupled plasma near the solidliquid phase transition," Phys. Rev. Lett. 94, 0250011  0250014 (2005). PDF file

F. Skiff and J.J. Bollinger, "Miniconference on laserinduced fluorescence in plasmas," Physics Plasmas 11, 29722975 (2004).

M. J. Jensen, T. Hasegawa, and J. J. Bollinger, "Temperature and heating rate of ion crystals in Penning traps," Phys. Rev. A 70, 0334011  03340113 (2004).

M. J. Jensen, T. Hasegawa, and J. J. Bollinger, "Temperature measurements of lasercooled ions in a Penning trap," in Non Neutral Plasmas V, AIP Conf. Proceedings 692, edited by M. Schauer et al. (American Institute of Physics, 2003) p. 193  201.

B. M. Jelenkovic, A. S. Newbury, J. J. Bollinger, W. M. Itano, and T. B. Mitchell, "Sympathetically cooled and compressed positron plasma," Phys. Rev. A 67, 0634061  0634069 (2003).

J. J. Bollinger, J. M. Kriesel, T. B. Mitchell, L. B. King, M. J. Jensen, W. M. Itano, and D. H. E. Dubin, "Lasercooled ion plasmas in Penning Traps," J. Phys. B 36, 499510 (2003).

T. B. Mitchell, J. J. Bollinger, J. M. Kriesel, L. B. King, M. J. Jensen, W. M. Itano, and D. H. E. Dubin, "Strongly correlated ion plasmas in Penning Traps," J. Phys. B 36, 61176118 (2003).

B. M. Jelenkovic, A. S. Newbury, J. J. Bollinger, T. B. Mitchell, and W. M. Itano, "Sympathetically lasercooled positrons," Nuclear Instruments and Methods in Physics Research B 192, 117127 (2002).

J.M. Kriesel, J.J. Bollinger, T.B. Mitchell, L.B. King, and D.H.E. Dubin, "LaserGenerated Waves and Wakes in Rotating Ion Crystals," Phys. Rev. Lett. 88, 14 (2002).

T.B. Mitchell, J.J. Bollinger, W.M. Itano, J.M. Kriesel, and D.H.E. Dubin, "Doppler Velocimetry of Cryogenic Ion Plasmas," IEEE Transactions on Plasma Science 30, 1617 (2002).

B. M. Jelenkovic, A. S. Newbury, J. J. Bollinger, T. B. Mitchell, and W. M. Itano, "A lasercooled, high density positron plasma," in NonNeutral Plasma Physics IV, proc. Workshop on NonNeutral Plasmas, San Diego, 30 July2 August 2001, edited by F. Anderegg, L. Schweikhard, and C. F. Driscoll, AIP Conf. Proc. 606 (AIP, Melville, NY, 2002) p. 6372.

J. M. Kriesel, J. J. Bollinger, T. B. Mitchell, L. B. King, and D. H. E. Dubin, "Laserinduced wakes in ion crystals," in NonNeutral Plasma Physics IV, proc. Workshop on NonNeutral Plasmas, San Diego, 30 July2 August 2001, edited by F. Anderegg, L. Schweikhard, and C. F. Driscoll, AIP Conf. Proc. 606 (AIP, Melville, NY, 2002) p. 121126. PDF file

T. B. Mitchell, J. J. Bollinger, W. M. Itano, and D. H. E. Dubin, "Experimental dynamics of stressed, strongly correlated magnetized plasmas," in NonNeutral Plasma Physics IV, proc. Workshop on NonNeutral Plasmas, San Diego, 30 July2 August 2001, edited by F. Anderegg, L. Schweikhard, and C. F. Driscoll, AIP Conf. Proc. 606 (AIP, Melville, NY, 2002) p. 111120. PDF file

T.B.Mitchell, J.J. Bollinger, W.M. Itano, D.H.E. Dubin, "StickSlip Motion of a Stressed Ion Crystal," Phys. Rev. Lett. 87, 1830014 (2001).

B.M. Jelenkovic, J.J. Bollinger, A.B. Newbury, T.B. Mitchell, and W.M. Itano, "A lasercooled positron plasma," in New Directions in Antimatter Physics and Chemistry, edited by C. Surko and F. Gianturco (Kluwer Academic Publishers, Netherlands, 2001) p. 120. PDF file

R. H. Baughman, S. O. Dantas, S. Stafstrom, A. A. Zakhidov, T. B. Mitchell, and D. H. E. Dubin, "Negative Poisson's ratios for extreme states of matter," Science 288, 20182022 (2000).

W. M. Itano, "Crystalline plasma," in McGrawHill Yearbook of Science and Technology 2001 (McGrawHill, New York, 2000) p. 116118. PDF file

A.S. Newbury, B.M. Jelenkovic, J.J. Bollinger, and D.J. Wineland, "Simulation of a method for forming a lasercooled positron plasma," Phys. Rev. A 62, 023405 (2000).

J.J. Bollinger, T.B. Mitchell, X.P. Huang, W.M. Itano, J.N. Tan, B.M. Jelenkovic, and D.J. Wineland, "Crystalline order in lasercooled, nonneutral ion plasmas," Physics of Plasmas 7, 7 (2000).

T. B. Mitchell, J. J. Bollinger, X.P. Huang, W. M. Itano, J. N. Tan, B. M. Jelenkovic, and D. J. Wineland, "Crystalline order in strongly coupled ion plasmas," in NonNeutral Plasma Physics III, proc. Workshop on NonNeutral Plasmas, Princeton, August 1999, edited by J. J. Bollinger, R. L. Spencer, and R. C. Davidson, AIP Conf. Proc. 498 (AIP, Melville, NY, 1999) p. 353366.

T.B. Mitchell, J.J. Bollinger, X.P. Huang, W.M. Itano, and D.H.E. Dubin, "Direct observations of structural phases in crystallized ion plasmas," Physics of Plasmas 6, 1751 (1999).

J. J. Bollinger and J. Fajans, "Conference Report" Comments Plasma Phys. Controlled Fusion 18, 411422 (1999). PDF file

T.B. Mitchell, J.J. Bollinger, D.H.E. Dubin, X.P. Huang, W.M. Itano, and R. H. Baughman, "Direct observations of structural phase transitions in planar crystallized ion plasmas," Science 282, 12901293 (1998). PDF file

T.B. Mitchell, J.J. Bollinger, X.P. Huang, and W.M. Itano, "Mode and transport studies of lasercooled ion plasmas in a Penning trap," in Trapped Charged Particles and Fundamental Physics, edited by D.H.E. Dubin and D. Schneider, AIP Conf. Proc. 457 (AIP Press, 1999), p. 309.

J.J. Bollinger, T.B. Mitchell, X.P. Huang, W.M. Itano, J.N. Tan, B. Jelenkovic, and D.J. Wineland, "Crystalline order in strongly coupled plasmas," in Trapped Charged Particles and Fundamental Physics, edited by D.H.E. Dubin and D. Schneider, AIP Conf. Proc. 457 (AIP Press, 1999), p. 295.

J. J. Bollinger, T. B. Mitchell, X.P. Huang, W. M. Itano, J. N. Tan, B. M. Jelenkovic, and D. J. Wineland, "Atomic ion crystals in nonneutral plasmas," in Atomic Physics 16, proceedings of the International Conference, Windsor, Canada, August 1998, edited by W. E. Baylis and G. W. F. Drake, AIP COnf. Proc. 477 (AIP, Woodbury, NY, 1999), p. 8799.

T.B. Mitchell, J.J. Bollinger, X.P. Huang, and W.M. Itano, "Doppler imaging of plasma modes in a Penning trap," Optics Express 2, 314 (1998).

W.M. Itano, J.J. Bollinger, J.N. Tan, B. Jelenkovic, X.P. Huang, and D.J. Wineland, "Bragg diffraction from crystallized ion plasmas," Science 279, 686689 (1998).

X.P. Huang, J.J. Bollinger, T.B. Mitchell, W.M. Itano, and D.H.E. Dubin, "Precise control of the global rotation of strongly coupled ion plasmas in a Penning trap," Phys. Plasmas. 5, 1656 (1998).

X.P. Huang, J.J. Bollinger, T.B. Mitchell, and W.M. Itano, "Phaselocked rotation of crystallized nonneutral plasmas by rotating electric fields," Phys. Rev. Lett. 80, 7376 (1998).

X.P. Huang, J. J. Bollinger, W. M. Itano, J. N. Tan, B. Jelenkovic, T. B. Mitchell, and D. J. Wineland, "Formation and control of Coulomb crystals in trapped ion plasmas," in Strongly Coupled Coulomb Systems, edited by Kalman et al. (Plenum, New York, 1998), p. 429432.

X.P. Huang, J. J. Bollinger, W. M. Itano, J. N. Tan, B. Jelenkovic, T. B. Mitchell, and D. J. Wineland, "Structure and control of Coulomb crystals in a Penning trap," Hyperfine Interactions 115, 4145 (1998).

J.N. Tan, J.J. Bollinger, B. Jelenkovic, W.M. Itano, and D. J. Wineland, "Observation of longrange order in trapped ion plasmas by Bragg scattering," Proc. International Conf. on the Physics of Strongly Coupled Plasmas, Binz/Rügen, Germany, Sept. 1115, 1995 (World Scientific, Singapore, 1996) pp. 387396.

J.N. Tan, J.J. Bollinger, B. Jelenkovic, and D.J. Wineland, "Longrange order in lasercooled, atomicion Wigner crystals observed by Bragg scattering," Phys. Rev. Lett. 75, 41984201 (1995). PDF file

J. N. Tan, J.J. Bollinger, and D.J. Wineland, "Minimizing time dilation in Penning trap ion clocks," Proc. Fifth Symp. on Frequency Standards and Metrology, Woods Hole, MA, Oct. 1619, pp.427429 (1995).

J.N. Tan, J.J. Bollinger, and D.J. Wineland, "Minimizing the timedilation shift in Penning trap atomic clocks," IEEE Trans. Instrum. Meas. 44, 144147 (1995).

J. J. Bollinger, J. N. Tan, W. M. Itano, D. J. Wineland, and D. H. E. Dubin, "Nonneutral ion plasmas and crystals in Penning traps," Physica Scripta T59, 352359 (1995). PDF file

J.J. Bollinger, D.J. Wineland, and D.H.E. Dubin, "Nonneutral ion plasmas and crystals, laser cooling, and atomic clocks," Phys. Plasmas 1, 14031414 (1994). PDF file
 C.S. Weimer, J.J. Bollinger, F.L. Moore, and D.J. Wineland, "Electrostatic modes as a diagnostic in Penningtrap experiments," Phys. Rev. A 49, 38423853 (1994).
 J.J. Bollinger, D.J. Heinzen, F.L. Moore, W.M. Itano, D.J. Wineland, and D.H.E. Dubin, "Electrostatic modes of iontrap plasmas" Phys. Rev. A 48, 525545 (1993).

C.S. Weimer, F.L. Moore, and D.J. Wineland, "HighOrder Multipole Excitation of a Bound Electron," Phys. Rev. Lett. 70, 25532556 (1993).
 D.J. Wineland, C.S. Weimer, and J.J. Bollinger, "Lasercooled positron source," AntiHydrogen workshop, Munich, July 3031, 1992, ed. by J. Eades, in Hyperfine Interactions 76, 115125 (1993).

J. J. Bollinger, D. J. Heinzen, F. L. Moore, C. S. Weimer, W. M. Itano, and D. J. Wineland, "Experimental results on normal modes in cold, pure ion plasmas," in Strongly Coupled Plasma Physics, Proceedings of the 1992 Conference on the Physics of Strongly Coupled Plasmas, edited by H. M. Van Horn and S. Ichimaru (Univ. Rochester Press, Rochester, 1993), p. 393398.

J. J. Bollinger, D. J. Heinzen, F. L. Moore, W. M. Itano, and D. J. Wineland, "Low order modes of an ion cloud in a Penning trap," Phys. Scripta 46, 282284 (1992).

D.J. Heinzen, J.J. Bollinger, F.L. Moore, W.M. Itano, and D.J. Wineland, "Rotational Equilibria and LowOrder Modes of a NonNeutral Ion Plasma," Phys. Rev. Lett. 66,16 , 20802083 (1991). PDF file

J.J. Bollinger and D.J. Wineland, "Microplasmas," Sci. Am.262, 124130 (January 1990). PDF file

J. J. Bollinger, S. L. Gilbert, D. J. Heinzen, W. M. Itano, and D. J. Wineland, "Observations of correlations in finite, strongly coupled ion plasmas," in Strongly Coupled Plasma Physics, proceedings of the Yamada Conference XXIV, Lake Yamanaka, Japan, 1989, edited by S. Ichimaru (Elsevier Science Publishers B. V. /Yamada Science Foundation, 1990), pp. 177187. PDF file

S. L. Gilbert, J. C. Bergquist, J. J. Bollinger, W. M. Itano, and D. J. Wineland, "Liquid and solid phases of laser cooled ions," in Atomic Physics 11, proceedings of the International Conference, Paris, 1988, edited by S. Haroche, J. C. Gay, and G. Grynberg (World Scientific, Singapore, 1989), pp. 261275. PDF file

D.J. Wineland, W.M. Itano, J.C. Bergquist, S.L. Gilbert, J.J. Bollinger, and F.G. Ascarrunz, "Liquid and Solid Ion Plasmas," Nonneutral Plasma Physics, C.W. Roberson and C.F. Driscoll, eds. (A.I.P. Conf. Proc. 175), pp. 93110 (1989). PDF file

J. J. Bollinger, S. L. Gilbert, and D.J. Wineland, "Observation of shell structures with ions stored in traps," Proc. Workshop on Crystalline Ion Beams, Wertheim/M, October 47 1988, edited by R. W. Hasse, I. Hofmann, and D. Liesen (GSI Darmstadt, 1989), pp. 231240. PDF file

W.M. Itano, L.R. Brewer, D.J. Larson, and D.J. Wineland, "Perpendicular Laser Cooling of Ion Plasmas in a Penning Trap," Phys. Rev. A 38, 56985706 (1988). PDF file

L.R. Brewer, J.D. Prestage, J.J. Bollinger, W.M. Itano, D.J. Larson, and D.J. Wineland, "Static Properties of a Nonneutral ^{9}Be^{+} Ion Plasma," Phys. Rev. A 38, 859873 (1988). PDF file

S.L. Gilbert, J.J. Bollinger, and D.J. Wineland, "ShellStructure Phase of Magnetically Confined Strongly Coupled Plasmas," Phys. Rev. Lett. 60, 20222025 (1988). PDF file

J.J. Bollinger, L.R. Brewer, J.C. Bergquist, W.M. Itano, D.J. Larson, S.L. Gilbert, and D.J. Wineland, "Ion Trapping Techniques: Laser Cooling and Sympathetic Cooling," Proc. Workshop on Intense Positron Beams, Idaho Falls, ID, June 1819, pp. 6373 (1987). PDF file

D.J. Larson, J.C. Bergquist, J.J. Bollinger, W.M. Itano, and D.J. Wineland, "Sympathetic Cooling of Trapped Ions: A Laser Cooled Two Species Nonneutral Ion Plasma," Phys. Rev. Lett. 57, 7073 (1986). PDF file

D.J. Wineland, J.J. Bollinger, W.M. Itano, J.D. Prestage, "Angular Momentum of Trapped Atomic Particles," J. Opt. Soc. Am B 2, 17211730 (1985). PDF file

J.J. Bollinger and D. J. Wineland, "Strongly Coupled Nonneutral Ion Plasma," Phys. Rev. Lett. 53 348351 (1984). PDF file

J.J. Bollinger, D.J. Wineland, W.M. Itano, and J.S. Wells, "Precision Measurements of Laser Cooled ^{9}Be^{+} Ions," Laser Spectroscopy VI, ed. by H.P. Weber and W.Luthy, (Springer Verlag) 1983, pp. 168172 (1983). PDF file

D.J. Wineland, J.J. Bollinger, and W.M. Itano, "LaserFluorescence Mass Spectroscopy," Phys. Rev. Lett. 50, 628631 (1983). PDF file