Has the quantum Zhi Nuo effect been confirmed?
Facts have proved that at the same time, there is an anti-Zhi Nuo effect. When you observe, a system will not change, which is the strangest quantum prediction. Now physicists at Cornell University have done experiments to prove this theory. Their work has fundamentally found a new method to control and utilize the atomic quantum state, and scientists can manufacture various new sensors according to this principle. The experiment was conducted by Mukund Vengalattore of Utracold Laboratory. He was a physics assistant and established the first research project of Cornell University, which cooled the material to 0.0000000 1 degree higher than absolute zero. 10 On February 2nd, Physical Review Express described his work. Graduate students Yogesh Patil and Srivatsan K. Chakram created and cooled about 654.38 billion rubidium atoms in a vacuum chamber and suspended them with a laser beam. In this state, rubidium atoms will be arranged as orderly as they are in crystalline matter. But even at this low temperature, these atoms can still tunnel anywhere in the lattice. The famous Heisenberg uncertainty principle holds that the position and velocity of particles will affect each other. Temperature is a measure of particle motion. At the low temperature close to absolute zero, the positions between particles are relatively loose; When you observe them, you will find that atoms in this place may be just like in another place. The researchers stressed that they can only suppress quantum tunneling through observation. This is the so-called "quantum Zhi Nuo effect", named after the Greek philosopher. It was put forward by George Sudashan and Baidyanath Misra of the University of Texas at Austin in 1977. They pointed out that the mysterious principle of quantum measurement, in principle, will make a quantized system "freeze" through repeated measurements. Previous experiments have proved the Zhi Nuo effect of subatomic particle "rotation". Vengalattore said, "This is the first time that the quantum Zhi Nuo effect has been observed by measuring the motion of atoms in real space. Because of the high degree of control we showed in the experiment, we can gradually adjust the way we observe these atoms. Through this adjustment, we can also demonstrate an effect called' classical transmission' in this quantum system. " After the quantum effect disappeared, atoms began to act according to the expectations of classical physics. Researchers look at atoms through separate laser imaging. Optical microscope can't see a single atom, but laser imaging can make the atom emit fluorescence, and the microscope can capture this beam. When the laser imaging is over or the light is dimmed, atoms can tunnel freely. However, as the laser beam becomes brighter and the measurement becomes more frequent, the atomic tunneling effect begins to drop sharply. Patil, the main author of the paper, said: "This gives us an unprecedented tool to control quantum systems. Maybe we can even control atoms one by one." He pointed out that atoms in this state are extremely sensitive to external forces, so this research can inspire the birth of various new sensors.