Infrared Heating: How It Works

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Infrared heating occurs when infrared photons transfer energy to molecules, causing them to vibrate and generate heat. The energy of these photons corresponds to the energy differences between the quantum states of molecular vibrations. This process is not limited to atoms and electrons; all molecules have quantum states that can interact with infrared radiation. The efficiency of infrared heating is influenced by the specific molecular structure and the wavelength of the infrared light. Understanding these interactions is crucial for optimizing infrared heating applications.
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How does an infrared photon leading to heating?
 
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anantchowdhary said:
How does an infrared photon leading to heating?
I've answered this in the other thread, the energy of IR photons correspond to the energies separating the quantum states of the molecular vibrations, its not only atoms and electrons that have quantum states...
 
Time reversal invariant Hamiltonians must satisfy ##[H,\Theta]=0## where ##\Theta## is time reversal operator. However, in some texts (for example see Many-body Quantum Theory in Condensed Matter Physics an introduction, HENRIK BRUUS and KARSTEN FLENSBERG, Corrected version: 14 January 2016, section 7.1.4) the time reversal invariant condition is introduced as ##H=H^*##. How these two conditions are identical?

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