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May 2001

Volume 54, Issue 5

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Layered Magnetic Structures: History, Highlights, Applications

Peter Grünberg
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Once studied primarily for their effects on light, thin magnetic films are today being layered to make complex structures with unique magnetic properties. Devices based on these structures are revolutionizing electronic data storage.
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Half Metallic Magnets

Warren E. Pickett and Jagadeesh S. Moodera
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Not to be confused with semiconductors, half metals belong to a new class of materials that look set to play a key role in next‐generation electronic devices.
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Epitaxially Self‐Assembled Quantum Dots

Pierre M. Petroff, Axel Lorke, and Atac Imamoglu
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Nanometer‐scale islands that form spontaneously on a semiconductor substrate have atomlike properties and potential applications in optical and optoelectronic devices, quantum computing, and information storage.
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Physics Update

James R. Riordan, Stephen G. Benka, and Philip F. Schewe
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Latin American Physicists Weigh In on Funding, Demographics, Potential

Azael Barrera, Penélope Rodríguez, Edgar G. Pavía, and José Luis Morán‐López
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Global Science Teams Will Have to Share Resources and Glory

Mike Edmunds
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Renormalized Relations in Condensed Matter

Vincent Rivasseau and Philip W. Anderson
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Mystery Error in Gamow's Tompkins Reappears

John D. Hey
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Palimpsest Teaches History, Geography

Petar Grujic and Reviel Netz
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Los Alamos Fire Posed Little Radiation Hazard

Bernard R. Foy
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Quantum Mechanics, Born Again

Gerald Holton
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Helium Joins Family of Gaseous Bose–Einstein Condensates

Richard Fitzgerald
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Now that researchers have observed the condensation of a gas of helium in its metastable state, helium is the first atom to form a Bose condensate in two phases.
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Dramatic Evidence Seen for Collective Behavior among Electrons in Closely Separated Layers

Barbara Goss Levi
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Theoris ts describe the two‐layer system as a Josephson junction, an exciton condensate, or a ferromagnet.
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Novel B Factories Close in on the Violation of CP Symmetry

Bertram Schwarzschild
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How well does CP violation obey standard particle theory? Electron‐positron colliders of a new kind were built in the US and Japan to find out.
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Europe Moves toward Coherent Higher Education, Competes for Students

Toni Feder
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In the debates on how to reform Europe's higher education systems, the aims are faster, internationally recognized degrees that will be accepted by employers, increased flexibility of study programs, and global competitiveness.
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Max Planck Society Launches International PhD Programs

Toni Feder
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Dropout Rate among Chinese Physics PhD Students Seems High; Community Considers Why

Lynley Hargreaves
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DESY Unveils Plan for the TESLA Collider

Bertram Schwarzschild
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The superconducting 500‐GeV e+e linear collider would run under town and country for 33 kilometers.
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Pakistan Reshuffles Weapons Program

Paul Guinnessy
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Bush Appoints Venture Capitalist as Technology Adviser

Jim Dawson
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First Light for Keck Interferometer

Paul Guinnessy
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Faculty Retirements, Recruitments Rise

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High‐School Physics Student Bags Two Competitions

Lynley Hargreaves
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Web Watch

Charles Day
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CLEO∕QELS Convenes in Baltimore

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Beyond the Science Wars: The Missing Discourse about Science and Society and Real Science: What It Is, and What It Means

Ullica Segerstråle, John Ziman, Craig McConnell, Reviewer, and Robert H. March, Reviewer
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Einstein in Love: A Scientific Romance and Einstein: The Formative Years, 1879–1909

Dennis Overbye, Don Howard, John Stachel, and A. J. Kox, Reviewer
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Light Science: Physics and the Visual Arts

Thomas D. Rossing, Christopher J. Chiaverina, and Henry Stroke, Reviewer
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Bose–Einstein Condensation of Excitons and Biexcitons and Coherent Nonlinear Optics with Excitons

Sviatoslav A. Moskalenko, David W. Snoke, and Keith Burnett, Reviewer
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Dynamics of Galaxies

Giuseppe Bertin, Debra Elmegreen, and Bruce C. Elmegreen, Reviewer
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Statistical Mechanics: A Short Treatise

Giovanni Gallavotti and David Ruelle, Reviewer
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Modern Introductory Physics

C. H. Holbrow, J. N. Lloyd, J. C. Amato, and Lyle Roelofs, Reviewer
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New Books

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Focus on Spectroscopy

Lawrence G. Rubin
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AAPT Honors Physics Educators

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AGU Recognizes Contributions to Geophysics

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Pilachowski Is AAS President‐Elect

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NAE Elects New Members

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In Brief

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Abraham ‘Bram’ Pais

Howard Georgi
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Thomas John Ypsilantis

Jacques Seguinot, Herbert Steiner, and Antonino Zichichi
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George Wilse Robinson

Edward L. Quitevis
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William George Fastie

Paul D. Feldman, Richard C. Henry, and H. Warren Moos
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Robert Michael Hjellming

Bruce Balick
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Thomas Emanuel Feuchtwang

Milton W. Cole, Paul H. Cutler, and Heinz K. Henisch
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Chanchal Kumar Majumdar

B. Sriram Shastry, Tiruppattur V. Ramakrishnan, and A. K. Rajagopal
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