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The Quantum-Mechanical Model of an Atom

The Quantum-Mechanical Model of an Atom

Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.

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The Pauli Exclusion Principle

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The Uncertainty Principle

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Related Experiment Video

Updated: Oct 1, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Quantum teleportation with one classical bit.

Abhishek Parakh¹

¹University of Nebraska, Omaha, NE, 68116, USA. aparakh@unomaha.edu.

Scientific Reports

|March 2, 2022

Summary

Researchers developed a new quantum teleportation protocol. This method uses fewer classical bits for transmitting quantum information, enhancing quantum communication efficiency and security.

Area of Science:

Quantum Information Science
Quantum Communication

Background:

Quantum teleportation enables qubit transmission via entanglement and classical bits.
Conventional protocols require two classical bits per qubit transmission.

Purpose of the Study:

To investigate if fewer than two classical bits are sufficient for quantum teleportation.
To explore protocols utilizing multiple copies of the qubit to be sent.

Main Methods:

Proposed a modified quantum teleportation protocol.
Incorporated local operations for resetting entangled pairs.
Considered scenarios with multiple copies of the qubit.

Main Results:

The new protocol requires only one classical bit for transmission.

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Related Experiment Videos

Last Updated: Oct 1, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Gradient Echo Quantum Memory in Warm Atomic Vapor

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

Achieved successful teleportation with a probability greater than one-half.

Demonstrated efficient qubit state transfer.

Conclusions:

The modified protocol offers a more efficient approach to quantum teleportation.
Reduced classical information requirements have positive implications for quantum communication networks.
Enhanced security for quantum cryptographic protocols relying on entanglement.