Chu, StevenOverview
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Steven Chu
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Most widely held works by
Steven Chu
Proceedings of the XV International Conference on Laser Spectroscopy Snowbird, Utah, USA, 10-15 June 2001
by International Conference on Laser Spectroscopy
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3 editions published in 2002 in English and held by 729 WorldCat member libraries worldwide
One peace at a time
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2 editions published between 2009 and 2010 in English and held by 306 WorldCat member libraries worldwide A film about a messed up world ... and how we could fix it. Join Turk Pipkin as he chronicles the model Indian orphanages of the Miracle Foundation, family planning initiatives with Thailand's Mechai Viravaidya, Ethiopian water projects with A Glimmer of Hope, and Architecture for Humanity's global design challenge for communities in need in the Himalayas, the Amazon, and the slums of Nairobi
Laser Spectroscopy Proceedings of the XV International Conference
by Steven Chu
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2 editions published in 2002 in English and held by 8 WorldCat member libraries worldwide
NUS centennial Nobel Laureate public lecture
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1 edition published in 2005 in English and held by 6 WorldCat member libraries worldwide The inaugural lecture was given by Professor Steven Chu, Nobel Laureate in Physics, from the Lawrence Berkeley National Laboratory, USA. He highlighted that physical scientists and engineers are devoting considerable attention to biological problems. The better appreciation of the physical and mechanistic aspects of biological systems have provided a deeper, quantitative understanding of how biological systems work
Understanding quality circles : the implications for implementation
by Steven Chu
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2 editions published between 1987 and 1990 in English and held by 5 WorldCat member libraries worldwide
Polymer dynamics of the coil-stretch transition phase transitions and hysteresis
by Steven Chu
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2 editions published between 2004 and 2012 in English and held by 4 WorldCat member libraries worldwide Prof. Steven Chu, Dept. of Applied Physics, Stanford University discusses the dynamics of a single molecule which has striking similarities to phase transitions of many body systems. All two dimension flows are described as a mixture of elongational (E) and rotational (Omega) flows. In 1974, de Gennes predicted the existence of a first order phase transition from a coiled to an extended state for all flows where E> Omega. Furthermore, the extension would exhibit hysteresis with different critical values depending on the past history of the polymer. In the special case where E = Omega, this transition would "soften" and become a second order phase transition. Single molecule experiments have been used to map out the phase diagram of two-dimensional flows. We have observed the sudden phase transition in both elongational and mixed flows. By visualizing individual molecules, a physical picture of how the transition softens to a second order transition is revealed. Hysteresis and dramatic fluctuations near a critical point are also observed
Laser cooling and trapping
by Steven Chu
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2 editions published between 1990 and 1998 in English and held by 4 WorldCat member libraries worldwide Recent progress in the laser cooling and manipulation of atoms and molecules is discussed. Atomic 'fountains' and 'tunnels' are described and applications of these techniques to fundamental physics measurements are given
Arthur Schawlow : May 5, 1921-April 28, 1999
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1 edition published in 2003 in English and held by 3 WorldCat member libraries worldwide
NUS centennial Nobel laureate public lecture series
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1 edition published in 2006 in English and held by 3 WorldCat member libraries worldwide "Organised by the International Relations Office (IRO), the NUS Centennial Nobel Laureate Public Lecture Series was one of the highlights of NUS Centennial Celebrations. Since the Series was launched in July 2005 till it ended in May 2006, six Nobel Laureates have presented on a wide spectrum of topics that span across Physics, Medicine and Chemistry"--Booklet
Cooling and Trapping of Atoms and Particles
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3 editions published between 1995 and 2004 in English and held by 3 WorldCat member libraries worldwide We showed that it is possible to cool atoms in a one dimensional optical lattice using to a novel degenerate sideband cooling technique. This method was then extended to a three dimension optical lattice. With this method, we are able capture all the atoms in a MOT and directly cool them to the photon recoil temperature at phase space densities of 1/500 using low powered (20 mW) diode laser beams. This represents a 2 1/2 order of magnitude increase in phase space density over the best form of grey optical molasses
Laser cooling, trapping and the applications to atom interferometry, quantum gases & biology
by Steven Chu
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1 edition published in 1992 in English and held by 2 WorldCat member libraries worldwide Lasers can be used to trap and manipulate neutral particles. These can be used in a wide range of applications. Steve Chu, Stanford University, discusses the use of atom interferometry to measure the acceleration of an atom due to gravity and photon recoil with high sensitivity. He also presents a method of cooling which is used to cool Na atoms in one dimension to an effective temperature of 100 nK, a factor of 10 below the recoil limit. He ends with a discussion of an application in biology, where optical tweezers are used to test models for muscle contraction
Wu jian xiong ke xue ying
by Steven Chu
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1 edition published in 2000 in Chinese and held by 2 WorldCat member libraries worldwide
Observation of the forbidden magnetic dipole transition 6²P1/2-7² P1/2 in atomic thallium
by Steven Chu
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1 edition published in 1976 in English and held by 2 WorldCat member libraries worldwide
The world's energy problem and what we can do about it
by Steven Chu
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2 editions published in 2007 in English and held by 2 WorldCat member libraries worldwide
A Laser-cooled Cesium Fountain Frequency Standard and a Measurement of the Frequency Shift due to Ultra-cold Collisions
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1 edition published in 1992 in English and held by 1 WorldCat member library worldwide In our Cs atomic fountain, we laser cooled and trapped 10(exp 10) Cs atoms in 0.4 s. By shifting the frequencies of the laser beams, the atoms were launched upwards at 2.5 m/s and a fraction of the atoms were optically pumped into the F=3 ground state. The unwanted atoms in the F=4 ground state were removed from the fountain with radiation pressure from a laser beam tuned to excite only those atoms. The Cs atoms in the F=3 state traveled ballistically upwards, were excited by the microwave cavity, and then returned back through the same cavity in the atomic fountain configuration
Atom Interferometry and New Cooling Methods (AASERT-92)
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1 edition published in 1996 in English and held by 1 WorldCat member library worldwide This AASERT grant has provided research and training support for two students, Heun Jin Lee and Doug Smith. Both are U S. citizens. Doug Smith has actively participated in a number of experiments using single molecules of DNA as a model polymer system. Heun Jin Lee has co.authored several papers on laser cooling and atom trapping aimed at storing atoms in optical traps for longer quantum coherence times, and lower temperatures and higher densities
New lab director press conference
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1 edition published in 2004 in English and held by 1 WorldCat member library worldwide
Atomic Fountain Microwave Clock
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1 edition published in 1994 in English and held by 1 WorldCat member library worldwide The grant as in support of a research program to explore the possibility of a microwave atomic clock based on an atomic fountain of cesium atoms. During the two year granting period, the following work was done: A large magneto-optic trap in a vapor cell was constructed where over 4x 10(exp 10) atoms were trapped at a density on the order of 10(exp 11) atoms/cu cm. This work increased the number of atoms optically trapped by a factor of -400 compared to previous work. The optical density of the atoms in this trap has a peak attenuation of e( -175). In an invited review article we examined the prospects for slow atom frequency standards. Most of the systematic effects that limit the current accuracy today's frequency standards decrease as the velocity of the atoms is reduced. We identified the one possible exception: collisions between ultra-cold atom in an atomic fountain could induce a phase shift that would ultimately limit the accuracy of the fountain clock. We brought the problem to the attention of B. Verhaar, who began a series of calculations on the effects of low energy collisions. jg p.4
New Solutions to the Energy Crisis
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1 edition published in 2005 in English and held by 1 WorldCat member library worldwide
Energie Wege in die Zukunft ; wie wir uns versorgen, welchen Preis wir zahlen, wie wir das Klima schützen ; Plus: Interview mit Barack Obamas Energieminister Steven Chu
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1 edition published in 2009 in German and held by 1 WorldCat member library worldwide more
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Alternative Names
Chu, Steven, 1948-....
Zhu Diwen
Zhu, Diwen 1948-
朱棣文
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