'Potential barrier' diaporamas de présentation

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2012 ???????????? SHN2012 ?? 8 ? 9-13, 2012, ??. ?????????????. ??? ????????????. ? ?. ? ???? ? ???? ? ???? ? ?????. ? ????. ?????????????? 1 ????????????? 2 alpha ?? 3 ????? 4 ????? 5 ???? 6 ???? 7 ?????????????????? 8 ????. ?????????????.

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1D systems

1D systems. Solve the TISE for various 1D potentials Free particle Infinite square well Finite square well Particle flux Potential step Transmission and reflection coefficients The barrier potential Quantum tunnelling Examples of tunnelling The harmonic oscillator.

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Can dark energy have a color?

Can dark energy have a color?. Dejan Stojkovic SUNY at Buffalo. Motivation. Puzzles raised by the recent observational data: Dark Matter Problem Dark Energy Problem. Concentrate on the Dark Energy Problem. Many explanations proposed

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ABOVE BARRIER TRANSMISSION OF BOSE-EINSTEIN CONDENSATES IN GROSS-PITAEVSKII APPROXIMATION

ABOVE BARRIER TRANSMISSION OF BOSE-EINSTEIN CONDENSATES IN GROSS-PITAEVSKII APPROXIMATION. H.A. Ishkhanyan, V.P. Krainov. Moscow, 06.07.2010. Outline. Introduction Reflection from the step potential The rectangular barrier Rosen-Morse Potential Double delta barrier A different approach

556 views • 36 slides

ABOVE BARRIER TRANSMISSION OF BOSE-EINSTEIN CONDENSATES IN GROSS-PITAEVSKII APPROXIMATION

ABOVE BARRIER TRANSMISSION OF BOSE-EINSTEIN CONDENSATES IN GROSS-PITAEVSKII APPROXIMATION. H.A. Ishkhanyan, V.P. Krainov. Moscow, 06.07.2010. Outline. Introduction Reflection from the step potential The rectangular barrier Rosen-Morse Potential Double delta barrier A different approach

425 views • 36 slides

Specialized Techniques

Specialized Techniques. AUGER ELECTRON SPECROSCOPY.

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National Consultation Services Trade and Domestic Regulation in India New Delhi, Thursday, November 29, 2007. Pritam Banerjee George Mason University. Debashis Chakraborty Indian Institute of Foreign Trade. Dipankar Sengupta University of Jammu.

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Semiconductors: Some theory and application

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Coherence and Decoherence in Collisions of Complex Nuclei

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6.5.8 Equivalent circuit for the MOSFET

6.5.8 Equivalent circuit for the MOSFET. Parasitic elements in the MOSFET equivalent circuit. Capacitance The gate capacitance C i is the sum of the distributed capacitance from the gate to the source end of the channel (C GS ) and the drain end (C GD ).

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Alpha Decay

Alpha Decay. Readings Nuclear and Radiochemistry: Chapter 3 Modern Nuclear Chemistry: Chapter 7 Energetics of Alpha Decay Theory of Alpha Decay Hindrance Factors Heavy Particle Radioactivity Proton Radioactivity Identified at positively charged particle by Rutherford

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One-Dimensional Scattering of Waves

One-Dimensional Scattering of Waves. One-Dimensional Scattering of Waves. 2006 Quantum Mechanics. Prof. Y. F. Chen. One-Dimensional Scattering of Waves. One-Dimensional Scattering of Waves.

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Semiconductor Device Physics

Semiconductor Device Physics. Lecture 7 PN Junction Diodes: I-V Characteristics Dr. Gaurav Trivedi , EEE Department, IIT Guwahati. M ajority carriers. M ajority carriers. Qualitative Derivation. Current Flow in a pn Junction Diode.

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Nuclear Structure in the Two-Center Shell Model

Nuclear Structure in the Two-Center Shell Model. Jianzhong Gu ????? China Institute of Atomic Energy ???????????? ( December 2, 2011, Institute of Theoretical Physics of Chinese Academy of Sciences, Beijing ). Outline. 1 Introduction to Two-Center Shell Model

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Lecture 16 Tunneling

Lecture 16 Tunneling.

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Short Version : 7. Conservation of Energy

Short Version : 7. Conservation of Energy. 7.1. Conservative & Non-conservative Forces. F is conservative if. for every closed path C. W BA + W AB = 0. ? W AB = ? W BA. = W AB. W AB. i.e.,. is path-independent. W BA. W AB.

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Unbound States

Unbound States. A review on calculations for the potential step. Quiz 10.23 Topics in Unbound States: The potential step. Two steps: The potential barrier and tunneling. Real-life examples: Alpha decay and other applications. A summary: Particle-wave propagation. today.

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EE130/230A Discussion 15

EE130/230A Discussion 15. Peng Zheng. Early Voltage, V A. Output resistance:. A large V A ( i.e. a large r o ) is desirable. I C. I B 3. I B 2. I B 1. V EC. 0. V A. Punch-Through. E-B and E-B depletion regions in the base touch ? W = 0.

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Higher Physics

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Barriers to effective communication (P3 & M1)

Barriers to effective communication (P3 & M1).

680 views • 8 slides